National Environmental (Surface and Groundwater Quality Control) Regulations, 2011 (S.I. 22 of 2011)

t xtraorainary Federal Republic of Nigeria Official Gazette No. 49 L a g o s - 2 4 th M ay , 2011 Vol. 98 Government Notice No. 136 T he fo llow ing is pub lished as S upplem ent to this Gazette : S.L No. Short Title 22 N ational E nvironm enta l (Surface and G roundw ater Q uality C on tro l) R egulations, 2011 .................................. i Page .. B 693-727 Printed and Published by The Federal Government Printer, Lagos, Nigeria j FGP 71/72011MOO (OL 46) Annual Subscription from1 1st January, 2011 is Local : N15.000.00 Overseas : N21,500.00 (Surface Mail) N24.500.00 (Second Class Air MailJ. Present issue N2,000.00 per copy. Subscribers who wish to obtain Gazette after 1st January should apply to the federal Government Printer, Lagos for amended Subscriptions. N A T IO N A L E N V IR O N M E N T A L (SURFACE AND G R O U N D W A T E R Q U A L IT Y C O N T R O L ) REG U LA TIO N S, 2011 A r r a n g e m e n t o f R e g u l a t i o n s .j j • : ; R e g u l a t i o n : . : *>'’! 1 P a r t A — S u r f a c e W a t e r Q u a l i t y C o n t r o l 1. Purpose. 2. Application. 3. Water U ses to be Protected. 4. General Provisions for Surface Waters. i 5. Water Q uality Standards. , . | ! 6. A ctiv ities in V iolatiop o f Water Quality Standards. 7. A ctiv ities in FurtherjDegradation o f Low Quality Waters. 8. Anti-degradation A ctiv ities. 9. M ixingZ ones. I ? 10. Restrictions to N ew Discharges 11. Effluent-Lim ited and Water Quality Limited Waters. : 12. Total M axim um D aily Loads in Water Quality Limited Waters. i 13. Prohibited D ischarges. , . I 1 14. Approvals and Perm its Required for Regulated Activities. 15. A pplication for Permit. 16. O bligations o f a Permit Holder. 17.. Records to be kept by Permit Holder. . r- .. y 18. M odification, Suspension or Revocation o f Approval. PartB— Ground W a t e r Q u a l i t y C o n t r o l• * • - ;».»• ;-n • j-j • ^ 19. Purpose. . . . . . . 20. Injection W ells, Landfills and Burrow Pits. B 6 9 4 j • j ' 2 1 . S tan d ard s, j . 2 2 . ; A p p lica tio n o f Standards. 2 3 . P rohib ited A ctiv ities . . „ jl. . 2 4 . C on tro l o f O ver A bstraction . ! y ' ! i V -j 2 5 . ' A u th orized A ctiv ities . 2 6 . P rotection . / " i 2 7 . E xem ption . 2 8 . N o tifica tio n o f E x isten ce o f C la ss V W ell. 2 9 . ! R ecord k eep in g . 30 . C orrective and C losu re A ctio n . 31 . M onitoring. i ■ ! j i Part C — Enforcement ■ i 32. tGeneral Action on W ater U se . i i ! 33 . Im p rovem en t N o tic e . , Part D—Offences and Penalties 34 . O ffe n c e s and P en a lties. .* r ,s tW ............. Part E — Miscellaneous 35 . Interpretations. 36 . C itation. S ch ed u les: S c h e d u le I : v ' P h ysico -C h em ica l A m b ie n t W ater Quality Criteria for S u rfa ce W ater. S c h o d u le l l (Chem ical A m b ien t W ater Q u a lity Criteria for Surface W ater. S c h e d u le I I I : B io lo g ic a l A m b ien t W ater Q u a lity Criteria for Surface W ater. S c h e d u le IV : T arget and In terven tion V a lu es for M icro Pollutants •4" : - for G roundw ater. S c h e d u le V : L im it for S u b sta n c e s and C haracteristics Affecting the A c ce p ta b ility o f G rou n d w ater for Domestic Use. S ch ed u le V I : M ic r o b io lo g ica l L im its fo r G roundwater. B 695 S. I.' 22 o f 2 0 1 1 - • f*« -i111 -t'1; I !: ■1 I .! • * ’ l .̂t I • N A T IO N A L E N V IR O N M E N T A L (SU R F A C E A N D G R O U N D . W A T E R Q U A L IT Y C O N T R O L ) R E G U L A T IO N S, 2011 ! J J 1 l)! r r ‘ ' ' 1 i 11 ' v/lB'iex«iTfit-^^th'c‘powcri^Ptof<eftaed on trie by Section 34 of the National Environmental Standards and Regulations Enforcement Agency (Establishment) Act 2007 and all other powers enabling me in that behalf, I, Mr John Odey, Honourable Minister, tb4 Ministry of Environment hereby make the following Regulations : [28 th D a y o f A p r i l , 2011] r P a r t A — S u r f a c e W ater Q uality C ontrol • •. ' V! i ! *’• 1. The purpose o f these R egulations is to restore, enhance and preserve the physical, ch em ical and b io log ica l integrity o f the nation’s surface waters, and to maintain ex istin g water uses. T he standards contained herein provide for the protection o f surface waters from pollutants so that the waters shall be protected, used, developed , conserved, managed and controlled in w ays w hich take into account am ongst other factors : i I ( a ) c itizen s’ right o f access to clean water and sanitation ; ( b ) protection o f the water environm ent for sustainability o f the resources and protection o f aquatic ecosystem s ; and (c) reduction and prevention o f pollution and degradation o f surface water resources and recogn ition o f the preventive, precautionary and polluter-pays-principles. j 2 . These R egulations shall apply to all surface waters o f Nigeria including local and trans-boundary waters. 3 . T he quality o f surface waters shall be m aintained in a safe and satisfactory condition for the fo llow in g u s e s : (a) agricultural, industrial, and public water supplies after reasonable treatment, excep t w here natural salinity precludes such uses ; n. p^raquatiQ . i : (<0navigation:;, yii. î : ' • • ( e ) contin lled and regulated w aste assim ilation to the extent that such use is com patible w ith other uses ; (/) h yd ro-en ergy; and| (g) su ch other u ses as m ay be provided by these Regulations. • ’i ■■ r . i ; | j n o .4. The .fo llow ing m inim um criteria areappjicable to all Surface waters of.Uienation.*! > . . > i; ■I t Commence­ ment. Purpose. Application. Water Uses to be Protected. General Provisions for Surface waters. (a ) A t a m in im u m , all w aters in c lu d in g m ix in g zon es shall be free of pollu tants in concentrations or com binations or from anthropogenic activities su b jec t to th ese R egu la tion s, th a t : ; * } : t ‘ - f l ; ' . . ( i ) a d v erse ly a ffect the c o m p o sitio n o f f ish and w ild l if e ; . > . . / ( i i ) a d v erse ly affect the p h y sica l, c h e m ic a l, or b io log ica l integrity of and ‘ (iv ) adversely a ffect hum an health . •' .• J r ( ! j - • . I ( b )A e s th e t ic s :A ll w aters in c lu d in g m ix in g z o n e s shall be free from . po llutants in concentrations or co m b in a tio n s th a t : " ' (<) s e t t le to fo r m d e p o s it s th a t a r e u n s ig h t ly , putrescent, or odoUrous to suCh a degree as to crea te a n u isa n ce , or interfere with the ex istin g or d esignated u s e s ; . > . • t , : • i • . ■; \ | | , j (it)floa t as debris, o il , g r ea se , s c u m or o th er f lo a tin g materials attributable to w astes in am ounts, to su ch a d eg ree as to create a nuisance or interfere w ith the ex istin g or d e s ig n a te d u se s ; th e en v iro n m en t ; j 1 •» <if, i ** i T* l ■ 1 il*, t -<i*' > » ' i t * i - \ y * i ■ • < I -Hi ( i l l ) a d v erse ly j alter the life c y c le fu n c tio n s , u ses , processes a c tiv itie s o f fish and w i ld l i f e ; or (iff) produce odour or taste or c h a n g e th e c o lo u r or physical, chemical or b io lo g ica l con d ition s to such a d e g r e e as to create a nuisance or interfere w i ^ jhe e x ist in g or d es ig n a ted u s e s ; or, r; (iv ) resu lt in the dom in an ce o f s p e c ie s o f f ish and w ild life to such a d egree as to create a nu isan ce or in terfere w ith th e e x ist in g or designated u se s . : - n - j . « n a g » / I l o p - w iu 1* t? » . i a « , • (c ) R a d io a c tiv e S u b s ta n c e s : T he leve l o f rad ioactive materials in all waters shall not be in concentrations or com binations w h ich w ill likely be harmful to hum ans, aquatic life and w ild life , or result in concentrations in organisms producing undesirable conditions in line w ith extant national regulations. (tf) Nutrients: N utrients shall not e x c e e d th e lim ita tion s specified in regu lation 5 b f th ese R e g u la t io n s and/ot1 n io re s tr in gen t site-specific limits n ecessary to prevent or m in im ize a cce lera ted or cu ltu ra l eutrophication. (e) Thermal M ix in g Z o n e s : T h erm al d isc h a r g e s in to tidal rivers, fresh w ater, stream s or estu ar ies, w h ere therm al m ix in g z o n e s are allowed by the A g e q c y , the m ix in g z o n e w ill b e lim ited to n o t m ore than one quarter (1/ 4 ) o f the cro ss sec tio n a l area and/or v o lu m e o f r iver f lo w , stream or estuary, lea v in g at least three quarters (3 /4 ) free a s a z o n e o f passage. In wide estuaries and o cea n s , the lim its o f m ix in g z o n e s w i:l b e established by the A g e n c y ..- ) .; . . . . 1 r • ‘■ .n ; ( f)N o n 'th e rm a l M ix in g Z o n e s : F or n o n -th erm al d isch a rg es , the Agency m ay recogn ize , w h ere appropriate, a lim ite d a c u te an d /or chronic mixing I B 697 zone(s) on; a case-b y-case basis. The locations, size and shape o f these zones shall provide for the m axim um protection o f fish and w ildlife. (g ) B aseline f o r M ixing Z o n e s : At a minimum, all mixing zones m u st: (0 meet the criteria for aesthetics as contained in (b) o f this regulation ; 07) be lim ited to an area or volum e that w ill prevent interference with the existing and designated uses in the associated water body segm ent and b e y o n d ; 070 allow an appropriate zone o f passage for migrating fish and other organisms, prohibit lethality to organisms passing through the mixing zone, and protect the spawning and nursery habitat; («v) not allow substances to accumulate in sediments, fish and wildlife or food chains such that known or predicted safe exposure levels for the health o f humans or fish and w ildlife will be exceeded ; and (v) not be used for, or considered as a substitute for minimum treatment technology required by the Agency. (vO S tream F lo w C o n d itio n s : For activities that w ill likely cause or contribute to flow alterations, stream flow conditions must be adequate to support ex isting and designated uses. 5 .— (1 ) P h y sico -ch em ica l C riteria— (a ) T em p era tu re : E xcept in designated thermal m ixing zones, temperature increase by a 7-D ay Average of the Daily M axim um temperatures (7-D A D M ax) o f surface waters shall not be more than 0.3°C above natural background conditions. (ib) D is s o lv e d O x yg en (D O ) : D isso lved oxygen content o f surface waters shall not be less than the values indicated in Schedule I to these Regulations. (c ) .C o lo u r a n d TU rbidity : Colour and turbidity shall not exceed 10 NTU over natural backgrbund conditions. (d ) T aste a n d O d o u r :iTaste and odour shall be none other than that o f natural origin and none associated with nuisance algal species or, cause taste or odour in portions! o f fish. (e) p H ( S tandard U nits) : pH shall be in the range indicated in Schedule I to these Regulations. ! ( /) B io c h e m ic a l O x y g e n D e m a n d ( B O D ) a n d C h e m ic a l O xygen D em an d ( C O D ) B O D and COD shall not be less than the limits indicated in S c h e d id e f f (g ) S u sp e n d e d S o l id s : Suspended solids shall not exceed limits indicated in Schedule I to these Regulations. l'A wii.4 , Water Q u ality Standards r<v * Activities in Violation of Water Quality Standards. Activities in further degradation of low quality w a t e r s . m ( 2 ) B io lo g ica l Criteria. , f . •. - r i? V ' M L n r . W & k * *'• I : (a)i faliform. ppm{ lactose positive)—rC oliform co u n t shall not exceed the values ind icated in S ch ed u le III to th e s e R e g u la tio n s . : gs#0$ R«u/hT M • ( b ) Cblipnages— C o h p h a g es sh a ll n o t e x c e e d th e va lu es indicated i S ch ed u le III tb th ese R egu lation s. * * ( c ) i^ ltoV ^s-^ P aithogen ic intestinal p ro to zo a and non-intestinal protozoa in all o f their phases piust not be d e tec ted . (3 ) Toxic SubstancêT oxic su b sta n c e s sh a ll n o t b e introduced above natural background leve ls ,jin any su rface w a ters o f th e nation . (4 ) Chemical constituents—C h e m ic a lc o n s t itu e n ts sh a ll not be in such concentrations that w ould exceed the C h em ica l A m b ie n t W ater Quality Criteria as found in S ch ed u le II to, these R e g u la tio n s . (5 ) Nutrients— A v e r a g e T otal P h o sp h o r u s ': (a) shall not exceed 0 .0 2 5 mg/1 in any lak e, p on d , river, stream , or reservoir. A verage to j^ p h p sp h p ru ^ in tributatfd£ W here’ the^ enter such ,r, b od ies o f w ater sh all n o t ca u se an in c r e a se in th is p h o sp h o ru s level, except as naturally o ccu rs, u n less the A g e n c y d e te r m in e s , o n a site -sp ec ific basis, that a d ifferen t v a lu e fo r p h o sp h o ru s is n e c e s s a r y to prevent cultural eutroph ication or grow th o f u n d esirab le o r n u is a n c e sp e c ie s . ... ..- • - ; . ,■ o u v i . • ' • • * . ..• • • (£>) shall not ex ceed the criterion of. su b -reg u la tio n (5 ) (a ) o f this regulation ji. * jpoiici ̂r i v ^ stream or reservo ir . D isch a rg es containing p h osp h ates w ill not b e perm itted upstream o f la k e s , r iv ers , stream s, ponds or d am s and P hosphates sh all be r e m o v e d fro m d isc h a r g e s to the extent that the concentration d o e s not' e x c e e d th e lim it in d ic a te d in Schedule II to • . ‘ i s ' • th ese’R egu la tion s. ( 6 ) . radioactive Supstprt ces— R a d io a c t iv e su b s ta n c e s sh all be within the limltis ind icated in S ch ed u le II tp .th ese R e g u la t io n s . J , A p e r ^ n s l^ j^ .d is p i |ia r g e .p o llu ta n ts ' i i lto a n y W aters o f the nation or co m b in a tio n w h ic h th e A g e n c y determines w ill lik e ly result in the v io lation o f any o f th ese w a ter q u a lity criteria or interfere with on e or m ore o f th e e x is t in g or d e s ig n a te d u s e s a s s ig n e d to the.receiving w aters or to dow n stream w aters in a cco rd a n ce w ith r e g u la t io n s A and 5 of these R egu lation s. • • -lilt :;•> 'i V*W»- k ) •» 1 • • ’ ’ . 7 . A per$9 jp shall, not d isch arge p o llu ta n ts in to a n y w a ters o f the nation, or perform any activ ities a lon e or in co m b in a tio n w h ic h th e A g e n c y determines w ill likely result in further degradation o f w ater q u a lity o f th e rece iv in g waters or dow nstrea'm 'w aters w h ich are a lready b e lo w th e w a te r q u a lity standard. B 699 8. A person shall no t d ischarge pollutants into any waters of the nation, or perform any ac tiv ities w hich the Agency determines will likely result in violation of the p rov isions o f these Regulations. . Anti-degra­ dation Activities. 9. Any release in to a m ix ing zone shall not cause a loss of habitat or species, or im pair any approved use; Mixing Zones. 10. New d ischarges in to surface waters of the nation shall be allowed, Restrictions provided the discharge w ill not im pair existing uses nor attainment of designated 10 New uses and will com ply w ith o ther provisions of these Regulations including all Dlsdlar8es required approvals, and a lso com ply with the following restrictions: (a) New d ischarge in to the term inal reservoir of a public drinking water ' supply is prohibited w ith the exceptfoh of discharges of storm-water dfainage. New discharges in to all o ther w aters o f the public drinking water supply . shall be prohibited w ith the exception o f the types listed in paragraphs (b) (0 to (jc/i) o f this regu la tion .. * (b) New discharges in to w aters that are not public drinking water supplies may include: (0 d ischarge o f s to rm -w ater ; (i7) d ischarges from industrial non-contact cooling w ater;. i ? * \ (ill) d ischarges from construction site dewatering provided that the applicant has dem o n stra ted to the satisfaction of the Agency that no reasonable a lte rna tives e x is t ; ! ! (/V) d ischarges from groundw ater remediation projects provided that the applicant has d em o n stra ted 1̂ the satisfaction of the Agency, that no . reasonable a lte rna tives e x i s t ; (v) d ischarges from aquacu ltu re facilities as appropriately authorized by all required sta te and federal agencies ; (v/) d ischarges from w ater m ain maintenance such as main flushing and cleaning o p e ra t io n s ; (WO d ischarges o f d redged m a te ria l; (viii) d ischarges from farm ing activities into surface waters which are h y d rog raph ica lly d isconnec ted from all other surface waters as approved by the A gency ; ! ( ix ) placem ent o f suitable solid materials in appropriate amounts for the purpose o f the form ation o f an artificial reef as approved by the A gen cy; • *•/ r . ; \ (x) d ischarges from aquatic research related activities provided that the applicant has dem o n stra ted to the satisfaction of the Agency that no reasonable a lte rna tives e x i s t ; ' B 700 Effluent Limited and Water Quality Limited Waters. Total Maximum Daily Load in Water Quality Limited Waters. Prohibited Discharges. •i (jtf) d isch a rg es from d esa lin a tio n fa c ilit ie s in to se a w a te r s; and ( x i t ) o th er tiew d isch arges p ro v id ed th e a p p lica n t demonstrates to the sa tisfa c tio n o f the A g en cy th a t : (A ) th e d isch arge serves a c o m p e llin g p u b lic purpose which provides b e n e fits to the pub lic as a w h o le as o p p o se d to individual or private in t e r e s t s ; (B ) there is no reasonable a ltern ative m ea n s o f , or location for, serving th e co m p e llin g pub lic purpose c i t e d ; and ( O the d isch arge w ill not im p a ir e x is t in g u ses nor attainment of d esign ated u ses . A person shall not carry ou t an y a c t iv ity in , or discharge pollutants in to , any surface waters o f the nation that h as e f f lu e n t lim ited or water quality lim ited part unless the discharge com p lies w ith any additional effluent limitations and r e c e iv e s any a d d itio n a l tr e a tm e n t/p r e tr e a tm e n t w h ich the Agency determ ines is necessary to co m p ly w ith th e se R e g u la tio n s . 12. — (1) For waters id en tified as w ater q u a lity lim ited , the Agency shall identify th ose pollu tants w ith in d isch a rg es to th e w a ter quality limited waters w hich d o or h ave the reasonab le p oten tia l to c a u s e or contribute to a violation o f regu lations 4 and 5 o f th ese R eg u la tio n s and th e A g e n c y shall develop a Totdl M axim um D aily L oad (T M D L ) fo r e a ch o f th e se pollutants. (2 ) T h e T M D L sh all d eterm in e th e m a x im u m am ount o f the pollutant that can b e d isch a rg ed in to th e w a ter q u a lity l im ite d waters and be in com p lia n ce w ith regulation 5 o f th ese R e g u la t io n s . » : (3 ) T h e T M D L sh all b e b ased o n b e st a v a ila b le sc ien tific information and a lloca tion o f the T M D L m ay b e b a sed o n , but n o t lim ited to, technical feasib ility o f pollutant rem oval, the relative c o s ts o f treatm ent to the contributing d isch arges, and the relative contribution fro m e a c h so u rce . (4 ) T h e A g en cy sh all not be requ ired to a llo c a te th e full amount of the p ollu tant sp e c if ie d in regulation 5 o f th e se R e g u la t io n s but m ay designate a portion o f the a lloca tion as a reserve or m argin o f s a fe ty as deem ed necessary. 1 3 . T h e p roh ib itions enum erated in th is reg u la tio n shall apply to all p ollu tants, regard less o f the e ffe c t on w ater q u a lity standards or the treatment w h ich th e p ollu tan ts rece iv ed . (1 ) P o l l u t a n t s —A person sh a ll not d is c h a r g e o r e n g a g e in activities that introduce pollutant? in to the w aters o f the n a tio n e x c e p t as in com pliance with th e p ro v is io n s o f th ese R eg u la tio n s and pursuant to th e term s and conditions o f an approval issu ed b y the A g en cy . (2 ) U r b a n R u n o f f — A p erson sh a ll n ot d isc h a r g e storm water, gutter runoff, sum p d isch arges, or street ru n o ff to a trea tm en t w ork s designed to rece iv e o n ly w astew ater. B 701 (3) H a z a r d o u s W a s t e a n d H a z a r d o u s S u b s ta n c e s — A person shall not discharge hazardous w a stes or hazardous substances into any surface waters o f the nation, ex cep t as in com pliance with the provisions of these Regulations and other ap p licab le law s, and in accordance with the terms and conditions of an approval issu ed by the Agency. (4) Oil, Petroleum Products, Solvents— A person shall not discharge oil or petroleum products into the waters o f the nation except as in compliance with the provisions o f th ese R egu lations and other applicable Regulations of the Agency, and in accord an ce w ith the terms and conditions of an approval issued by the A gency there-under. (5) Discharges o f S e w a g e from V essels— (a) a person shall not d ischarge any sew age from a vessel into the waters of the nation ; 1 (b ) a person shall not operate or moor in the waters of the nation a yessel equipped w ith a m arine to ilet that i s : i (i) not a type approved by the A gency and relevant authorities; ( 1 0 an approved typ e that is not in proper working condition; or . . t (iii) not h aving the v e s s e l’s marine toilets properly sealed to prevent overboard d ischarges by on e o f the follow ing m eans: the through-hull fitting is plugged; or the Y -valve is secured to the holding tank position by means o f a p ad lock , w ire tie, or by removing the seacock handle. All sewage must be d isch arged into an approved marina pump-out facility. 14.— (1) A person sh a ll not release any substance into, or conduct any activity which w ill lik e ly ca u se or contribute to pollution or adversely affect species of, the waters o f th e nation; w ithout having obtained all required approvals and perm its from the A gen cy . (2) For the purpose o f sub-regulating ( 1 ) o f this regulation, such activities shall include but not lim ited to : , >;• (a) discharge o f w a stew a ter ; (b ) discharge o f p o llu ta n ts ; { (c) dredging o f su rface w ater ; (d ) dredging and d redged m aterial d isp o sa l; (e) filling o f surface w aters o f the nation ; (/) construction a c t iv it ie s ; ($) mining a c t iv it ie s ; ' j , . (A) any com m ercial, industrial,, state or municipal land development that *«<lts in the creation o f 3 7 0 0 m 2 or m ore o f additional impervious area; Approvals and Permits Required for Regulated Activities. B 702 Application for Permit. ... ( i ) tw o hectares; ( f iv e acres) or m ore o f la n d d istu rb an ce ; ( / ) m arinas - con stru ction o f n ew fa c i l i t ie s or ex p a n sio n o f existing fa c i l i t ie s ; (Jfc) f lo w a lteration s ; ( / ) harbor m an agem en t p lan s for th o se e le m e n ts w h ic h w ill likely affect v a t e r q u a l i t y ; •, «. . 1 ; r ' - ' ‘ •' f 'f ! ' ' . (m ) a p o in t so u rce d isch arge ol' p o llu ta n ts ; or , (n ) an y o th er a ctiv ity that m ay p ro d u ce a m ea su ra b le change in a water body. (3 ) W h ere any project or a ctiv ity m e n tio n e d in su b -regu lation (2) of this regu la tion or requires a perm it or approval by an y o th er authority, the approval or perm it sh all b e obta ined b efore c o m m e n c e m e n t o f th e project. (4 ) E x ist in g fa c ilit ie s shall ob ta in p erm it fo r reg u la ted activities within s ix m onths o f the co m m en cem en t o f th ese R e g u la t io n s . 15 .— (.1) A p p lica tio n s for perm its sh a ll b e su b m itted and processed in accordance w ith the N ational E nvironm ental (P erm ittin g and L icensing System) R egu lation s, 2 0 0 9 and sh all contain such d o cu m en ta tio n and/or information as the A g e n c y m ay require, in c lu d in g but not lim ite d t o : (a ) h y d ro lo g y o f the area ; (b) ty p e o f d isch arge, the con cen tra tio n and q u a n tity ; (c ) tim eta b le for and duration o f th e p r o p o se d con stru ction or other a c tiv it ie s ; (d ) any additional inform ation as m ay b e d e e m e d n ecessary by the Agency to fu l ly a s s e s s the im p act o f the p ro p o sed a c t iv ity u p on the waters of the n ation or to support an y ch a n g es in the s c o p e o f th e project, actual or a n t ic ip a te d ; . ( e ) co m p reh en s iv e en g in eer in g report and d e ta ile d en g in eerin g plans and sp e c if ic a t io n s fo r th e'p rop osed p r o je c t ; ( J ) an y ad d ition a l in form ation in c lu d in g p rop rietary data, where, in the o p in io n o f th e A g e n c y , su ch in form ation is n e c e s s a r y to fu lly disclose all relevan t fa c ts co n cern in g th e a p p lica tio n fo r an a p p ro v a l. T h e applicant m ay assert a c la im o f co n fid e n tia lity fo r p rop rietary d ata provided the said in form ation is c lea r ly m arked and se g r e g a te d w ith in th e total information req u ested b y th e A g e n c y ; and (g ) — ( 0 a preponderance o f c lear and sc ie n tif ic a lly v a lid ev id en ce having a probative v a lu e dertionstrating to th e sa t is fa c t io n o f th e A gen cy , that the activ ity w ill n o t v io la te the su rface w a ter q u a lity stan d ard s established by th ese R e g u la t io n s ; and (ii) p ro fess io n a l C e rtif ic a tio n fo r p lans and specifications for all engineering w o rk s req u ired under sub-regulation (2) o f regulation 14 of these R egula tions shall be certified by a registered professional body in engineering and /o r hydrogeology. (2) Failure o f the applicant to subm it inform ation deem ed necessary by the Agency in order to fully assess the im pact o f the proposed project on waters of the nation or to support any changes in the scope o f the proposed project, actual or anticipated, shall constitu te valid cause for denial o f the application. (3) Modifications : T h e A gehcy m ay app rove m o d ifica tio n s to an approved project o r ac tiv ity w ithou t further notice, provided that the project had been noticed in acco rdance w ith these Regulations, and such m odifications are minor in natu re and w ill have little or no adverse environm ental im pact. (4) In gran ting an ap p ro v a l, the A gency shall have regard f o r : (a) the use and dem onstration o f innovative pollution control, and management approaches that w ould allow a significant improvement in best m anagement practices for a particu lar industry or category of ac tions; (b) the econom ic and social benefits o f the a c tiv ity (ie s); (c) the p re v e n tio n o r re m e d ia tio n o f env ironm en ta l o r public health threats ; (d) the p rese rv a tio n o f assim ila tive capacity for future industry and developm ent; and (e) inform ation th a t id en tif ie s and selects the best com bination o f site, structural and m an ag e ria l approaches that can be feasibly im plem ented to prevent or m in im ize the lo w erin g o f w ater quality! 16.— (1) T h e issu a n c e o f an approval m andates com pliance with all terms, conditions, m an a g e m e n t prac tices and operations and m aintenance requirements set fo rth in the approval. (2) The issu an ce o f an app rova l does not relieve any person o f the continuing responsibility to com ply with any applicable part o f these Regulations or applicable reg u la tio n s o f o th e r re levan t ex tan t R egulations. (3) The issu an ce o f an approval by the A gency does not relieve any person of the re sp o n s ib ility fo r ob ta in ing any o ther necessary , perm its or approvals from any fed e ra l, s ta te , reg ional, o r local agency. (4) The issuance o f an app rova l does not authorize any injury to persons or property or invasion o f o th e r p riv a te righ ts, o r any infringem ent o f Federal, Slate or Local L aw o r R egulations.^ (5) W here the w o rk s o r ac tiv itie s to w hich the perm it relates are,carried °ut by persons o th e r th an th e p e rm it holder, it is the duty o f the perm it holder B 703 Obligations of a Permit Holder. B 704 Records to be kept by Permit Holder. Modification, Suspension or Revocation of Approval. Purpose. to take a ll s tep s to en su re that th e P erm it, and any con d ition s specified in c o m p lie d w ith by the p erson carry in g ou t th e w o rk s or activities. 17,—(1) A person w h o is, at any tim e in a m onth , a permit holder, shall w record in w ritin g o f activ ities conducted in lin e w ith the approval including; P (a ) ty p e o f a c tiv ity ; ( b) ty p e an d c o m p o s it io n o f d isc h a r g e m a d e in to water body; (c ) con cen tra tion o f d isch a rg e m a d e in to w ater body ; i d ) d ate, p la ce , co -o rd in a tes and tim e o f d isch a rg e ; (e ) nam e, con tact and address o f p e r so n in ch a rg e o f the activity; and ; , , i . .if),any .other in form ation as m a y b e s p e c if ie d in the approval. (2 ) T h e se .record s sh a ll b e su b m itte d to th e A g e n c y periodically as sp e c if ie d in the perm it. niw ; -At*W t'* tyr " ‘ 18.^—(1 ) T h e A g e n c y m ay m o d ify , su s p e n d , or revoke, in whole or in part, an a p p r o v a lio r ca u se , in c lu d in g , b u t n o t lim ited t o : (a ) in form ation in d ica tin g that th e p ro jec t w ill lik e ly result in probable harm to the en v iro n m en t or p o se a threat to the h ealth , safety and/or welfare o f the p u b l ic ; ( b) the e x is te n c e o f a factor or fa c to rs w h ic h , i f properly and timely b rou gh t to th e atten tion o f th e A g e n c y , w o u ld h a v e ju stified the application o f m ore or le s s str in g en t c o n d it io n s than req u ired b y th ese Regulations, but o n ly i f su ch fac tor(s) a ro se after th e a p p ro v a l w a s issu ed ; (c ) w h ere c ircu m sta n ces on w h ich th e ap p rova l w a s based have materially and su b stan tia lly ch a n g ed s in c e th e ap p ro v a l w a s issu ed , including, but not lim ited to , a c h a n g e in ca te g o r y o f w a ters fro m e ff lu e n t limited to water q u a lity lim ite d , o r a m en d m en t o f th e se R e g u la t io n s ; i d ) th e in fo rm a tio n or d ata su b m itted b y th e ap p lican t or permit holder e ith er o n th e fo r m (s) req u ired or in a n y o th e r m ateria l in support of the ap p lica tio n is fo u n d to b e fa ls e , m is le a d in g o r e r r o n e o u s ; or ( e ) th e p roject is n o t u n d ertak en in str ic t c o m p lia n c e w ith the conditions or p r o v is io n s o f an y ap p rova l is su e d b y th e A g e n c y . (2 ) A N o t ic e o f R e v o c a tio n /S u sp e n s io n o f an approval shall be in the form o f a letter n o tify in g th e p erm it h o ld e r o r su b se q u e n t transferee of the revoca tion or su sp e n s io n and th e rea so n s w h y th e ap p rova l is being revoked or su sp en d ed . Part B — G round W ater Q uality Control ‘J " ‘l 19 ; T h e‘ pu rp bse o f th ese R eg u la tio n s is to p ro tec t groundwater source! b y regu la tin g th e d isch arge and un dergroun d in je c tio n o f hazardous wastes B 705 fluids used for extraction o f m inerals, fossil fuels energy, and any other substances having the potential to contaminate groundwater. 20.— (1) C lasses o f Injection W ells shall include: \ ( a ) C la s s I : W ells used for re-injection o f w aste: ( 0 w e lls u sed by generators o f hazardous wastes or owners or operators o f hazardous w aste management facilities to inject fluids beneath the low erm ost form ation containing, within 500 meters of the well bore, an underground source o f drinking water; or ( < 0 other industrial or municipal wells which inject fluids beneath the lowermost form ation containing, within 500 meters of the well bore, an underground source o f drinking water. ( b ) C la s s U : W ells used to ihject fluids : ! Injection Wells, Landfills and Burrow Pits. ( / ) w h ic h are b r o u g h t to the surface in connection with conventional o il or natural gas production and that may be commingled with w astew ater from gas plants as an integral part o f production operations, u n less those waters are classified as hazardous waste at the time o f in je c t io n ; (/7) for enhanced recovery o f oil or natural gas ; and ( H i ) for storage o f hydrocarbons that are liquid at standard temperature and pressure. (c) C la s s I I I : W ells used for extraction o f minerals including: (0 m ining o f su lfur by the Frasch process ; (« ) solution m ining o f m inerals; ( i i i ) in s i t u com bustion o f fossil f u e l ; and (iv) in s i t u production o f uranium or other metals. This category includes on ly i n s i t u production from ore bodies which have not been conventionally m ined. Solution mining o f conventional mines (such as stopes leach ing) is included in Class V. ( d ) C la s s IV ; . j , . (i) w e lls u sed by generators o f radioactive wastes, by owners or operators o f rad ioactive w aste disposal sites, or by any other person to dispose rad ioactive w astes into a formation which within 400 meters of the w ell contains an underground source o f drinking water. 0 * 0 radioactive w aste disposal w ells which inject fluids below the lowermost form ation containing an underground source of drinking water within 4 0 0 m eters o f the w ell bore. (e ) C la s s V : Injection w ells not included in Classes I, II, III, or IV. Class V injection w ells are further defined in regulation 25 (2) o f these Regulations. J* 706 Standards. Application of Standards. • r. ( 2 ) Landfills and Burrow Pits : L a n d f i l ls a re n a tu ra l or excavated holes or d e p r e ss io n s u sed for b u ry in g w a s te m a te r ia l o r refuse. Borrow pits ^ large h o le s that are p r im a r ily d u g fo r th e p u rp o s e o f co llecting earth materials u su a lly s o i l , g ra v e l or s a n d to b e u s e d a t a n o th e r lo ca tio n , but could also be u se d fo r b u ry in g w a ste m a te r ia l o r r e fu s e . ' 2 1 . — ( 1 ) P h y s ic o -c h e m ic a l p a r a m e te r s s h a ll be in conformity with S c h e d u le IV to th ese R e g u la tio n s , a n d l im its fo r su b s tan ces and characteristics a ffe c t in g th e a c c e p ta b i l i ty o f g ro u n d w a te r s o u rc e fo r dom estic use shall be in c o n fo r m ity w ith S c h e d u le V to th e s e r e g u la t io n s . • (2 ) P a th o g en ic O rgan ism s and C o lifo r m B acteria shall not exceed limits a s s ta ted in S c h e d u le V I to th e s e R e g u la t io n s . • (3 ) A ll o th er p ollu tan ts sh a ll n o t b e in su ch concen tra tions which in the o p in io n o f the A g e n c y w o u ld im p a ir th e w a te r s fo r u se as a source of potable w ater or to causei or c o n tr ib u te to a c o n d it io n in c o n trav en tio n of standards for w aters o f N ig e ria . 2 2 . — <1) G round W a te r D is c h a rg e P e rm its . A p erson shall not make or perm it an o u tle t for th e d isc h a rg e o f s e w a g e o r in d u s tr ia l waste or other wastes or the e ff lu e n t th erefrom , in to a n y g r o u n d w a te r o f N ig e ria without obtaining a p erm it from the A g e n c y a n d th e p e rm it s h a ll b e issued subject to such c o n d it io n s as stated in the p e rm itt in g a n d l ic e n s in g sy stem of the Agency. (2 ) A p p lic a t io n s for g ro u n d w a te r d is c h a rg e p e rm its shall be submitted u s in g th e fo rm s p rescrib ed b y th e A g e n c y a n d sh a ll co n ta in such information a s th e A g e n c y maty require. (3 ) E sta b lish m e n t o f D is c h a r g e L im i ts . In reg u la tin g discharges of p o llu tan ts to grou n d w a te rs o f N ig e r ia , th e A g e n c y sh a ll lim it or prohibit such d isc h a r g e s to en su re th a t th e q u a l i ty s ta n d a r d s o f th e receiving waters is m ain ta in ed or atta ined . (4 ) T h e A g e y c y sh a ll d e term in e th e a p p lic a b le lev e l o f treatment for an in d iv id u a l d ischarger and such shall b e in d ica ted in the individual ground water discharge perm it and in estab lish ing efflu en t lim itations in the individual permits, the A g e n c y sh a ll c o n s id e r natural b ack grou n d con d ition s, protect existing ad jacen t and d o w n grad ien t u se s and sh a ll n o t in terfere w ith the maintenance an d a tta in m en t o f b e n e fic ia l u se s in a d jacen t and d o w n gradient waters. (5 ) F o r p u rp o s e s o f d e te rm in in g c o m p lia n c e w ith sub-regulation 21(3) of th e s e R e g u la tio n s fo r to x ic p o llu ta n ts in g r o u n d w a te rs , the Agency may adopt th e u s e o f H e a l th A d v is o r ie s . . » .• p u b lish e d w a ter q u a lity cr iter ia d o c u m e n ts a s g u id a n c e in establishing case b y -c a s e d isc h a r g e lim its o n s p e c if ic p o llu ta n ts to g rou n d waters including but n o t lim ite d to th e D ep a rtm en t o f P e tro leu m R e so u r c e s (D P R )’s Target and In tervention V a lu es and L im its , N ig er ia n S tan d ard s for D rinking W ater Quality' 15 707 (2) A person shall not construct, install, operate or maintain a Class IV well that is not part o f a response action being conducted or |v ..#nned in compliance w ith p rov is ions certified by the Agency, or in use for the purpose of rem ediation a t a re lease site. (3) A person shall not in ject or cause to be injected any fluid into a Class V well w here th a t in je c tio n m ay cause or allow the movement of fluid containing any p o llu tan t in to underground sources of water, and the presence of that po llu tan t cau ses o r is likely to cause a violation of the provisions of these R egula tions, o r w hich in the opinion of the Agency adversely affects or may adversely a ffec t the environm ent and/or health of persons. (4) A ny o w n er o f a cesspoo l with design flow of 2000m/s or greater that fails to protect pub lic h ea lth and environm ent sh a ll: (a) notify the A gency o f its intent 30 days prior to upgrade of the cesspool, (/;) upgrade such cesspool, in accordance with the Agency’s requirement. (5) A person shall no t use, construct, install, operate or maintain for the purpose o f d isposa l, a M o to r Vehicle Waste well in Nigeria. ’ (6) A person shall no t construct or drill pit latrines, septic tanks and soak away except in acco rd an ce w ith relevant Codes of Practice. (7) A person shall not construct, install, operate or maintain landfills or borrow pits for the pu rp o se o f industrial waste disposal where such wastes may allow p o llu tan ts in to underground sources of water, and the presence of the pollutant(s) cau ses o r is likely to cause a violation of the provisions of these R egulations, o r w h ich in the opinion of the Agency adversely affects or may adversely a ffec t the env ironm ent and/or health of persons. 24.— (1) A p erso n shall not sink (drill) a borehole(s) without a drilling permit (license) from relevan t authorities except for personal domestic purpose. (2) All o w n ers o f boreho ies/w ells shall register their boreholes/wclls by furnishing such in fo rm atio n to-relevant authorities. (3) T he licen se fo r abstraction o f water shall clearly state the following, amongs o th e r s : | (a) location and co o rd in a tes o f the b o reho le ; t (b) quantity o f w ater to be taken i.e. volume or rate of discharge per d a y ; (c) the in ten d ed p u rp o se1 o f the w a te r ; (d) the nam e and a d d re s l o f the licensed abstracto r; i 23.— (1) A person shall not inject fluids into or through an injection well and no person shall construct, install, operate or maintain any Class I. II or 111 injection well, except as authorized under Regulation 20 of these Regulations. Prohibited Activities. Control of over Abstraction. B 708 A uthorized A ctiv ities. P ro tectio n . Exemption. (e) the so u rc e o f su p p ly e .g n a m e o f g ro u n d w a te r strata ; (/) the m ean s o f a b s tra c tio n e .g b o re h o le o r w e ll. (4 ) T h e a b s t r a c to r / l ic e n s e e s h a l l k e e p a d e q u a te records of water a b s tra c tio n ra te s all th ro u g h . ’ (5 ) T h e A g e n c y sh a ll in c o n s u lta t io n w ith re le v a n t authorities maintain the p o w e r to re v o k e a r ig h t to u se a b o re h o le /w e l l o r tak e w ater when such a r ig h t is lik e ly to o v e rr id e p u b lic in te re s t. 2 5 . — (1) A n y p e rso n m ay c o n s tru c t, in s ta ll , o p e ra te o r maintain a Class IV w ell in th e c o n d u c t o r p e rfo rm a n c e o f a r e s p o n s e ac tion in accordance w ith th e m e th o d a p p ro v e d by the A g e n c y fo r th e p u rp o se o f remediation at a re le a s e s ite . • % (2) A ny person m ay construct, install, o p era te o r m ain tain any of the following C lass V w ells in co m p lian ce w ith reg u la tio n 22 o f th ese R eg u la tio n s: (a) w e lls u se d to re tu rn to th e g ro u n d th e w a te r used for heating or c o o lin g e n e rg y in a h e a t e x c h a n g e r : (b) w e lls u sed to re tu rn w a te r u se d fo r n o n -c o n ta c t co o lin g to the ground p ro v id e d the te m p e ra tu re is not h ig h e r th a n th e m e a n annual ground surface te m p e ra tu re o f th e a re a in q u e s tio n ; (c) w e lls u sed to d ra in s to rm r u n o f f in to so il b e d ro c k ; (d) dry w e lls , se e p a g e p its, a n d le a c h in g p its u sed for the injection of w a ste flu id s , oth er th|m sanitary w a s te ; (e) rech arge w eH s u sed e x c lu s iv e ly to r e p le n is h th e w a te r in an aquifer w ith u n con tam in ated jw a ter ; (J) sa lt w ater in trusion b a rr ie r w e lls u se d to in je c t uncontaminated w ater in to a fresh watler a q u ife r to p re v e n t th e in tru s io n o f salt water into the fresh w ater ; ; 1 \ (g) o n -s ite su b su rfa ce se w a g e d is p o s a l s y s te m s in cogn izance of the g e o lo g y o f the area ; | (ih) su b sid en ce control w ells used to in ject f lu id s to reduce or eliminate su b sid en ce associated w ith the o v e rd ra ft (o v e r a b s tra c tio n ) o f groundwater ; (O g e o th e r m a l d is p o s a l w e l ls r e l a te d to e l e c t r i c a l g en e ra tio n and g eo th erm a l w e lls u sed for h ea tin g an d a q u a c u l tu re . 2 6 . A person sh all not con d u ct a n y a c tiv ity th a t is p ro h ib ite d by regulation 23 o f th ese R e g u la tio n s or that w h ic h w ill en d a n g e r an aq u ifer or portion of an a q u ifer that m e e ts th e d e fin itio n o f an u n d e rg ro u n d s o u rc e o f drink ing water. 2 7 . — ( I ) T h e A g e n c y shall e x e m p t an a q u ife r f ro m b e in g an underground so u rce o f drin k in g w ater if, after n o tic e a n d an o p p o r tu n i ty fo r a pub lic hearing, th e A g e n c y d e term in es that, the a q u ife r : B 709 (a) curren tly does not serve as a source of public drinking w a te r; and (b) cannot, at p resent and will not in the future serve as a source of public d rink ing w ater because : (/) it is used to produce mineral, hydrocarbon or geotherm*' ’rgy : (//) it is so con tam inated and with extreme values that endangers hum an health and w ould be economically or technologically impractical to render the w a te r fit for hum an consumption or (c) is c lose to being “minecr. (2) A ny in jec tion in to a Class IV or Class V injection well during a response action conducted or perform ed in accordance with method approved by the A gency fo r the pu rpose o f remediation at a release site, shall be exempted from : (a) the prohibitions set forth under regulation 23 of these Regulations; (/;) the reg istra tion requirem ents set forth under regulation 28 of these R egu la tions; (c) the co rrec tive action requirem ents set forth under Regulation 30 o f . these R egula tions. ...... ■ 28.— (1) U nless exem pted pursuant to regulation 27 of these Regulations, each ow ner o r o p era to r o f an existing Class V well shall notify the Agency, on a form availab le from the Agency, of the existence of any well meeting the definitions o f C lass V w ithin three months after the commencement of these Regulations. (2) Every o w n er o r operator o f Class V injection well put into use after 28th Day o f A pril, 2011 shall register that injection well with the Agency. 29. Every o w n er and operator of an injection well shall make all existing records and in fo rm ation concerning the construction and operation of the well available to the A gency upon request. 30. C o m p lian ce w ith m ethod approved by the Agency : (1) E very person perform ing a remedial activity as part of an injection well closure shall perfo rm sudh activity in accordance with methods approved by the A gency. » • • i (2) E very o w n e r o r operato r of a well that has been, or at any time may have been the sub jec t o f a violation of regulation 23 of these Regulations shall at a m in im um : \ {a) p reven t flu id s from entering the injection well u n til: (0 the w ell is c losed and all inlets into the drainage system leading to the in jec tion w ell are perm anently sealed ; or Registration. Record keepting. Corrective and Closure action. ( if ) th e w e ll is a u th o rize d by a n d p e rm it te d in accordance with the G r o u n d w a te r D isc h a rg e P e r m i t ; o r ( i» ) th e d isc h a rg e is c o n n e c te d to a m u n ic ip a l san ita ry sewer line ; or (/v) th e d isc h a rg e is c o n n e c te d to a t ig h t ta n k p ro v id ed the connection c o m p lie s w ith th ese R e g u la tio n s ; o r (v) th e d isc h a rg e is a d d re sse d u n d e r a p la n a p p ro v e d by the Agency. (b) a sse ss all so il, g rav e l, s lu d g e , l iq u id s o r o th e r m ateria ls adjacent to the in je c tio n w ell and all c o m p o n e n ts o f th e d ra in a g e system leadingtothe in jec tio n w e l l ; (c) rem o v e and d isp o se o f any c o n ta m in a te d so il , g rave l, sludge, liquids o r o th e r m a te ria ls a d ja c e n t to the in je c tio n w e ll an d all contaminated com ponen ts o f the drainage system lead in g to the in jec tion well in accordance w ith all F ed e ra l, S ta te and L ocal r e q u ire m e n ts ; a n d {cl) p e rm a n en tly p lug all in le ts to th e in je c tio n w e ll, unless the injection w e ll is c lo s e d im a c c o r d a n c e w ith R e g u la t io n 3 0 ( 2 ) ( a ) o f the these R e g u la t io n s ; and (e) th irty (3 0 ) d ay s p rio r to c lo s u re , s u b m it to th e A gency, a Class V W ell P re-C losu re N otification Form av a ilab le fro m the A gency in compliance w ith R e g u la tio n 23 o f th ese R e g u la tio n s ; a n d (J) w ith in sev en (7) d ay s fo llo w in g c o m p le tio n o f c lo su re o f the injection w ell, su b m it to the A g e n c y d o c u m e n ta t io n o f c lo s u re on a Notification F orm a v a ila b le frbm th e A g en cy ; a n d (g) ab andoned w e lls /b o reh o les /b u rro w p its p o se sa fe ty and environmental p ro b le m s b e c a u s e th ey ac t as d i re c t p a th s fo r c o n ta m in a n ts to reach g ro u n d w a te r and such c o n ta m in a n ts m a y p e rc o la te far into the aquifer w ith tim e and a d v e rse ly d e te r io ra te th e q u a l i ty o f g ro u n d w a te r within and o u ts id e the v ic in ity o f th e a b a n d o n e d w e ll. (/*) a ll a b a n d o n e d w e lls /b o re h o le s /b u rro w p its sh a ll be decommissioned by a licen sed d rille r /p ro fe ss io n a l w ith g o o d e x p e r ie n c e in well construction an d d e c o m m iss io n in g m eth o d s , a p p ro v e d b y th e A g e n c y , and will take into a c c o u n t th e lo ca l g e o lo g y o f th e a re a n e c e s s a ry to sa fe ly and properly, c lo se su ch w e ll, p ro v id e th a t a n o tic e o f in te n t to decom m ission a well/ b o re h o le /b u rro w p it sh a ll be re q u ire d b y th e A g e n c y a t least three (3) days in a d v a n ce o f se a lin g o r d e c o m m is s io n in g w o rk . • '1 (3) I f the A g en cy d e te rm in e s tha t it is lik e ly th a t th e re has been movement o f in jec tio n o r fo rm a tio n f lu id s in to u n d e rg ro u n d w a te r o r a release or threat of* re le ase o f oil a n d /o r h a z a rd o u s m a te r ia l to th e e n v iro n m e n t through an in je c tio n w ell, th e A g e n c y sh a ll r e q u ire a n y a d d it io n a l c lo su re measures it d eem s n e c essa ry fo r c o rre c tiv e a c tio n a n d p r e s e rv a t io n o f th e underground so u rces o f w ater. B 711 31.— (1) The determ ination ‘o f com pliance or non-com pliance o f sew age, Monitoring, industrial w aste o r o th e r w aste d ischarges w ith the requirem ents o f these Regulations shall be m ade through tests or analytical determ inations o f ground ■ water or effluent sam ples collected, transported and stored in such a m anner as may be approved by the Agency and the location at which ground water samples are collected shall be determined by the Agency provided that in selecting or approving such locations, the Agency shall consider all relevant facts including, but not limited to : (a) the m obility o f p o llu tan ts in the unsatu rated zone and the po llu tan t attenuation m echan ism s in the zone ; (b) attenuation m ech an ism s w hich m ay rem ove poten tia l po llu tan ts in passage through th e s o i l ; (c) the rela tive th ick n ess o f the unsa tu ra ted zone ; {d} attenuation o f po llu tan t concen trations w ith d istance w hich m ay occur in the saturated zone, as a resu lt o f a ttenuation p rocesses occu rring below the water tab le .T he location at w h ich effluen t sam ples are co llec ted shall be at a point w here the e ffluen t em erges from a trea tm en t w orks, d isposal system, outlet o r po in t sou rce and p rio r to being d ischarged to the ground. (2) The A gency in co llabora tion w ith relevant au thorities shall de term ine the number o f observation and m onitoring wells necessary for the determ ination of compliance w ith these R egu la tions. (3) A nalytical tests to de te rm in e com pliance o r n o n -com pliance w ith standards shall be m ade in acco rdance w ith m ethods approved by the A gency. P a rt C 1—E n fo r c em en t 32. — (1) A ny p erso n m ay com pla in to the A gency in w riting if such a person considers that an ac tiv ity (ie s) o r d ischarge(s) m ay jeo p a rd iz e w ater 'uses.as stated by these R egu la tions. i (2) In any such c o m p la in t uijider sub regulation (1) o f this regulation , it is not necessary fo r the co m p la in an t to show o r prove personal loss o r in jury or discomfort caused by the activ ity . (3) On rece iv ing the co m p la in t, the A gency shall a fter due investiga tion and substantiation, tak e all reaso n ab le steps to ensure that the ac tiv ity (ies) is controlled in line w ith these R egula tions. 33. — (1) W here the A gency has reasonab le cause to be lieve that any discharge(s) o r a c tiv ity ( ie s ) is l ik e ly to v io la te the p ro v is io n s o f these Regulations, the A gency m ay se rve an im provem ent no tice on that person on a form prescribed by the A gency o rdering com pliance w ith these R egulations. General Action on w ater use. Improvement notice. 1 O ffen ce s and Penalties. In terp re la lion. (2 ) T h e im p ro v em en t n o tic e sh a ll b e s e rv e d on the person alleged or co n fir m e d resp o n s ib le for th e d isc h a rg e or a c tiv ity d e e m e d likely to cause the p roh ib ited activ ity or d isch a rg e if the a c tiv ity o r d isc h a rg e has not yet occurred. (3 ) A n im p ro v e m e n t n o tice is su e d u n d e r R e g u la tio n 33(1) shall specify th e p e r io d w ith in w h ich the re q u ire m e n ts o f th e n o tic e are to be complied w ith . \ (4 ) A person on w h o m an im p ro v e m e n t n o t ic e is se rv e d shall be entitled to d em on strate that such p ro h ib ite d d is c h a rg e o r a c tiv ity does not emanate from h is fa c ili ty /p re m ise s o r a c tio n s , a n d in th e a b s e n c e o f which the person sh all b e bound to c a rfy ou t the re q u ire m e n ts in th e im p ro v em en t notice. I P a r t D — O f f e n c e s a n d P e n a l i t i e s i: I • 3 4 .— (1 ) A person w ho c o n tra v e n e s o r fa ils to c a rry ou t any requirements o f the im p rovem en t n o tic e c o m m its an o f fe n c e . (2 ) A n y p erso n w h o c o n tr a v e n e s a n y o f th e p ro v is io n s of these R egu lation s co m m its an o ffe n c e an d sh a ll o n c o n v ic t io n be liable to fine not e x c e e d in g N 2 0 0 ,0 0 0 :0 0 or for a te rm o f im p r is o n m e n t no t exceeding one year or to both such fin e and im p riso n m e n t. (3 ) W here the o ffe n c e is co m m itted b y a c o rp o ra te body, it shall on co n v ic tio n b e liab le to a fin e not b e lo w N 5 0 0 ,0 0 0 :0 0 , a n d to an additional fine o f N 1 0 ,0 0 0 :0 0 fo r each day the o ffe n c e su b s is ts . P a r t E— M i s c e l l a n e o u s 3 5 . In th ese R eg u la tio n s : A g e n c y "m e a n s ! N ation a l E n v iro n m en ta l S tan d ard s and Regulations E n fo rcem en t A g e n c y (N E S R E A ) “ A p p l i c a b l e Standards and Lim itations" m e a n s : a ll sta te , interstate and fed era l standards.and lim ita tio n s to w h ic h a d isch a rg e or activity is <"‘ S a b j^ ilifc 1 ^i'rt§T w filot lim ited to effluent lim ita tion s, water quality standards, standards o f p erform ance, to x ic e ff lu e n t sta n d a rd s or prohibitions, best m an agem en t p ractices, and p retreatm ent stan d ard s. “ Applicant” m ea n s a p erson w h o a p p lie s fo r a n y ap p ro v a l for any d is c h a r g e , a c t iv i t ie s , p r o je c ts , o r f a c i l i t i e s in a c c o r d a n c e with the requirem ents o f th ese R eg u la tio n s. “ A p p l i c a t i o n "means all form s, d ocu m en ts, and other in fo rm ation required b y the A g en cy to app ly for a perm it, order, c e r t if ic a te , o r o th e r approval from the A g en cy in accordance w ith th e r e q u ire m e n ts o f th ese Regulations. | •1 1I B 713 “Approval” m e a n s an a u th o r iz a tio n , order of approval, perm it, certification, l ic e n se o r e q u iv a len t determ ination issued pursuant to Regulations p rom u lga ted the Agency. “Aquatic Research Related Activities” means : an activity in which research is conducted to evaluate the effect of various factors oh the health, growth, or rep roduction o f aquatic organisms. ‘Aquifer ’ m eans a geo log ica l (fprm ation, group of formations, or part of a formation that is cap ab le o f yielding an economic amount of water to a well or spring. , . "Best Management Practices (BMPs)” means schedules of activities, prohibitions o f p rac tices , m ain tenance procedures, and other management practices to p rev en t o r reduce the pollution of and impacts upon waters of the nation. BM Ps also include treatm ent requirements, operating procedures, and practices to control site runoff, spillage or leaks, sludge or waste disposal, or drainage from raw m ateria l storage. “Cesspool” m eans a subsu rface pit with open-jointed linings or holes in the bottom and/or s idew alls into which raw sewage is discharged, the liquid portion of the sew age b e ing disposed o f by seeping or leaching into the surrounding soils, and the so lids or sludge being retained in the pit. NOTE : C esspoo ls are nonconform ing systems. “Closure” m ea n s th e ac t o f (securing a facility to prevent it from contaminating an u n derg round source o f drinking water, or from otherwise endangering the h ea lth o f person^ o r the environment. “Confined aquifer” m e a n s o n e w h ich is situated between two impervious layers. T h is renders it closed to rechargein its immediate vicinity which may m ake rec h a rg e to it itoo slow or even impossible within a reasonable period o f tim e. “Consolidated Rock or Bed Rock” m eans any solid hard rock exposed at the surface o f the ea rth o r overla in by unconsolidated deposits. “Cultural Eutrophication” m eans the human-induced acceleration of primary productivity in a surface w ater body resulting in nuisance conditions of algal bloom or d en se m acrophy tes. “DADMclx” m eans d a ily -d ay m axim um temperatures. ”Designated Uses” ,m ean s those uses specified in these Regulations for water bodies o r se g m e n t w hether or not they are being attained. In no case shall assim ilation o r tran spo rt o f pollutants be considered a designated ‘ use. 'Dredging” m eans th e ex cava tion o f sedim ents from beneath surface Waters by m echanical o r h y d rau lic m eans. t 44D e g r a d e d ” m e a n s a c h a n g e in w a te r q u a li ty from local natural b a ck g ro u n d co n d itio n w hich is d e te rm in e d by the A gency to be deterioratin'! in term s o f the m a g n itu d e o f the c h a n g e an d the im portance of the parameters d e s c r ib in g grou n d w ater q u a lity . “ D i s c h a r g e o r ^Discharge o f Pollutants" m e a n s any addition or release o f a n y p o llu ta n t or c o m b in a tio n o f p o l lu ta n ts to w a te rs o f Nigeria from any so u r c e , in c lu d in g b u t no t lim ite d to , e m p ty in g , em ittin g , pouring, pumping, lea k in g , p la c in g , d e p o s itin g , sp illin g , f ro m su rfa c e ru n o ff which iscollected o r c h a n n e le d b y m a n ; d i s c h a r g e s th r o u g h p ip e s , sewers, or other c o n v e y a n c e s o w n ed by a S ta te , m u n ic ip a l ity , o r o th e r person which do not lead to a p erson al o w n e d tre a tm e n t w o rk s (P O T W ) and discharges through p ip es , sew ers , or o th e r c o n v e y a n c e s , le a d in g in to p rivately owned treatment w o rk s. T h is term d o e s n o t in c lu d e an a d d it io n o f po llu tan ts by any indirect discharger. “ D i s c h a r g e r m e a n s an y p e rs o n w h o c a u s e s o r allow s any discharge. “ D i s p o s a l S y s t e m o r On-site System " m e a n s a system or series of sy s te m s for the treatm ent and d isp o sa l o f s a n ita ry sew ag e below the ground su rface on a fac ility . ( a ) T h e standard c o m p o n e n ts o f a s y s te m are; a building sewer; a sep tic tank to retain so lid s an d sc u m ; a d is tr ib u tio n box; a soil absorption sy s te m co n ta in in g e ff lu e n t d is tr ib u t io n l in e s to d istribu te and treat septic tank e ff lu e n t prior to d is c h a rg e to a p p ro p r ia te subsurface soils; and a r e se r v e area . (h ) T h e s e term s a lso in c lu d e t ig h t ta n k s , s h a fe d system s, alternative <i.r. “ D P R * m e a n s : 5 D ep artm en t o f P etro leu m R eso u rces . J r y W e l t m e a n s a su b su rfa ce p it w ith o p e n -jo in te d lining or holes through w h ich storm -w ater d ra in ag e fro m ro o fs , b asem en t floors, foundations or Other areas se e p s in to th e s u r ro u n d in g so il . “ E f f l u e n t ” m ean s d isc h a rg e d p o llu ta n t( s ) in to th e environm ent, whether or n o t treated . “ E f f l u e n t L i m i t a t i o n ” m e a n s R e s tr ic t io n s e s ta b lis h e d by NESREAon q u a n titie s , rates a n d c o n c e n tra t io n s in w a te r d is c h a rg e ; i " E f f l u e n t L i m i t e d W a t e r s ” m e a n s a n y s e g m e n t o f a surface waterbody w h ere th e w a ter q u a lity c u rre n tly m e e ts o r is e x p e c te d to meet applicable w ater q uality standards after th e a p p lic a tio n o f th e technology-based effluent lim itation s required. " E f f l u e n t L i m i t a t i o n o r E f f l u e n t ” m e a n s any requirem ent, restriction , o r standard im p o se d b y th e A g e n c y o n quantities, discharge rates, and co n cen tra tio n s o f p o llu ta n ts w h ic h are d ischarged from point so u rces in to w aters o f N ig er ia or to p u b lic ly o w n e d treatm ent works. B 715 « ' # * “Existing GroUndWater Quality” m ean sch afac te ris tic s o f the physical, biological, chem ical, and radiological param eters representative of the ground water ̂ quality at a s ite at the tim e o f perm it issuance, perm it renew al or non permitted d ischarge as de term ined by an accepted hydrogeologic study. “Existing Use” m eans those designated uses and any other use1 ‘ do not im pair the designa ted uses and that are actually attained in a w ater body on or after the inception o f these R egulations; except that in no case shall assim ilation o r transport o f pollu tan ts be considered an existing use. “Exempt Aquifer" m eans an aquifer or its portion that has been exem pted from regulation 27 in acco rdance w ith the procedure thereunder. “Facility” m eans all contiguous land, and structures, other appurtenances, and im p ro v em en ts on the land used for recyc ling , reusing , rec lin ing , transferring, storing , trea tin g ,|!o r d isposing o f dangerous w aste. “Filling" m eans to p lace dirt, soil, stones, gravel, sand, sed im ent, tree stumps, brush, leaves, so lid w.aste, debris, garbage, trash, pollu tants, or any other m aterial, substance , o ristructu re , e ither foreign o r related, on or in any waters o f the nation o r in such a w ay as to a lter the natural character, function or va lue o f any w aters o f the nation. “Fish and Wildlife” m eand birds, fish, shellfish, m am m als and all o ther classes o f w ild aquatic and lahd organism s and all types o f vegetation upon which they are dependen t, includ ing all indigenous species. “Flow Alteration” m eans the change o f the norm al flow patterns o f surface w ater d u e to a p ro ject w hich diverts or holds the surface water. “Fresh Water*' m eans w ater having a chloride concentration equal to or less than 2 50 mg/1, o r a to tal d isso lved solids concentration equal to or less than 10,000 mg/1. “Fluid” m eans any m ateria l o r substance that is capable o f m ovem ent whether in a sem iso lid , liqu id , sludge, gas, or any o ther physical state. ” Formation” m ean s a bod y o f ro ck c h a ra c te r iz e d by a d eg ree o f lithologic hom ogeneity , w hich is prevailingly, but not necessarily tabular and m apable on the e a rth ’s su rface o r traceab le in the subsurface. “Formation Fluid*’ m eans fluid present in a form ation under natural conditions (as o p posed to in troduced fluids, such as drilling m ud). * ' i ’ i11 “Groundwater” m eans w ater found underground w hich partially or com pletely fills the open spaces betw een particles o f soil and w ithin rock formations. “ Habitat” m ean s the a rea w h ich provides d irect support for a given species, p o p u la t io n o r io rh fnun ity . It includes all environm ental features that m ake up an a rea such as air, w ater, vegetation, soil, substrate and hydrologic charac te ris tics . “ H a z a r d o u s W a s te " m ea n s a n y w a s t e o r c o m b in a t io n o f wastes that e x h ib i t s ig n ita b le , c o r r o s iv e , r e a c t iv e , o r t o x ic ch aracter istics and poses a su b s ta n tia l danger, n ow or in th e fu tu re , to h u m a n , plant or animal life, a n d w h ic h th ere fo re ca n n o t b e h a n d le d o r d is p o s e d o f without special p r e c a u t io n s ; “H e a lth A d v iso r y " m eans the le v e l o f a p o llu ta n t in water at which, w ith a m argin o f safety, ad verse h ea lth e f f e c t s w o u ld not be anticipated, as determ ined by the A gency . “Im p r o v e d S in k h o le " m ean s a n a tu ra lly o ccu rr in g karst depression or other natural crev ice found in v o lc a n ic terrain and oth er geologic settings w hich have been m odified by m an for th e p u rp o se o f directing and emplacing flu ids into the subsurface. “In jec tio n " m eans the em p la cem en t o f f lu id s in to a form ation by gravity or greater pressure through a w e ll. “In jec tio n Weir means a w e ll in to w h ic h f lu id s are b eing introduced. “I n d u s t r i a l W a s te ” m e a n s w a s t e a r i s in g fr o m p rocessin g and m anufacturing industries or trade u n d er ta k in g s and can take the form of liquid, non-liquid, so lid and g a seo u s su b sta n ces . , I ! “ L a k e ,P o n d o r R e se rv o ir " m ean s a n y b o d y o f w ater, whether naturally occurring or created in w h o le or in part, e x c lu d in g sed im entation control or storm w ater reten tion /detention b a sin s . “L o a d Allocation* m ean s the p o rtio n o f a r e c e iv in g w ater’s loading capacity that is attributed e ither to o n e o f its n o n -p o in t sou rces o f pollution or to natural background sou rces. “Loading Capacity" m eans the m a x im u m am o u n t o f loading that surface water can receive w ithout v io la tin g w a ter q u a lity standards. “Low Quality or Degraded Waters” m e a n s an y w ater w hose quality fa lls b e lo w any o f the criteria o f Parts I an d II o f th e se Regulations. “L e a c h a te " m eans any liqu id , in c lu d in g a n y su sp en d ed or dissolved com p on en ts in the liqu id , w h ich has p e r c o la te d th rou gh or drained from a landfill or other so lid w aste d isp o sa l s ite . * ’ . . “M a r in a " m eans , I (a ) a dock , pier, f lo o r in g , w harf, f lo a t o r co m b in a tio n o f such facilities that m ay a cco m m o d a te f iv e (5 ) or m o r e r e c r e a tio n a l v esse ls as a com m ercial operation or in a sso c ia t io n w ith a c l u b ; or (b ) any d ock , pier, m o o rin g , w h a rf, f lo a t or co m b in ation o f such facilities used as a com m ercia l o p era tio n , a s id e fro m (a ) above, at which any v esse l is serv iced or m ain ta in ed . “M a rin e T o ile t" m eans any to ile t or r e c e p ta c le fo r th e containment of human wastes located on or w ithin any v e ss e l, a s d e fin e d herein , not including a portable potty. I “ M e a s u r a b le C h a n g e ” includes : ( a ) Temperature increase o f 0.3°C or greater. (b ) D isso lved oxygen decrease o f 0.2mg/L or greater. (c) Bacterial level increase o f 2CFU/100mL or greater. (d ) pH change o f 0.1 units or greater. (e) turbidity increase o f 10 NTU or greater; or (/) A ny d e te c ta b le in crease in the concentration o f a toxic or radioactive substance. “ M i x i n g Z o n e ” m ean s a regulatory limited area or volume in the immediate v icin ity o f a discharge where mixing occurs and the receiving surface water quality is not required to meet applicable standards or criteria provided the m inim um conditions described in regulations 4 and 5 of these Regulations are m et. “M i l l i g r a m s P e r L i t e r o r m g / T means the weight in milligiams of any specific substance or substances contained in one liter of solution. ! “ M o n i t o r i n g W e l l ” m ea n s a w ell that is specifica lly designed, constructed, em placed and located to measure the impact of a subsurface discharge. “ M o t o r V e h ic le W a s t e D i s p o s a l W e i r means a well that receives or has received flu ids from vehicular repair or maintenance activities, such as an auto body repair sh op , autom otive repair shop, new and used car dealerships, sp ecia lty repair shop ( e .g . transmission and muffler repair shops), or any facility that does vehicular repair work. “ N a t u r a l B a c k g r o u n d C o n d i t i o n s ” means all prevailing dynamic environmental cond itions in a water body or segment thereof, other than those human-made or hum an-induced. That is the chemical, physical or biological characteristics o f surface or ground waters unaltered by human activity. “N e w D is c h a r g e ” m eans any discharge which commenced subsequent to inception o f these R egulations, unless appropriate approvals had been granted. ‘ “N o n - C o n t a c t C o o l i n g W a t e r * ' means water which is used to reduce temperature and d o es not com e into direct contact with any raw material, intermediate product (other than heat), or finished product. “ N o n - p o in t S o u r c e o r “N P S ” means any discharge of pollutants that does not m eet the defin ition o f Point Source in these Regulations. Such sources are d iffuse, and often ass6ciated with land-use practices, and carry ‘ pollutants to the w aters o f the nation, including but not limited to, non channelized land runoff, drainage, atmospheric deposition; precipitation; and seepage. * “ N u t r i e n t " m e a n s a c h e m ic a l e le m e n t o r co m p o u n d such as but not l im ite d to n itr o g e n or p h o sp h o ro u s w h ic h is e s s e n tia l to and promotes the g r o w th and d e v e lo p m e n t o f m arine or fre sh w a ter plant species. “ N E S R E A " m e a n s N a tio n a l E n v iro n m en ta l S tandards and Regulations E n fo r c e m e n t A g e n c y . “ O b s e r v a t i o n W e l l " m ea n s a w e ll that is u se d to determ ine existing h y d r o g e o lo g ic a l con d ition s. “ O t h e r W a s t e s " m ean s all liq u id d isca rd ed m atter other than sewage or in d u str ia l w a ste w h ich m ay ca u se or m ig h t r ea so n a b ly b e expected to cause p o llu t io n o f th e w aters o f N ig er ia in c o n tr a v e n tio n o f adopted standards. “ O u t l e t " m e a n s th e te r m in u s o f a s e w e r s y s te m , or the point of e m e r g e n c e o f an y w a stew a ter or e f f lu e n t in to , th e w aters o f Nigeria or o n to th e land su rface . “ O w n e r o r O p e r a t o r m ea n s the o w n e r /o p e r a to r o f, or agent for any in jec tio n w e ll su b jec t to regu la tion 2 4 . * < f J ' ' “ P a t h o g e n i c O r g a n i s m ” m ea n s an y d is e a s e -c a u s in g organism. ’ “ ^ e ) i H e d ' ( j ] ^ u H d w d i e P ' ifleanS u n c o n fir ie d g ro u n d water separated from an u n d er ly in g b o d y o f g ro u n d w a ter b y an unsaturated zone. “ Person” m ean s an in d iv id u a l, p u b lic or p rivate corporation, partnership, a s s o c ia t io n , firm , jo jn t sto c k co m p a n y , jo in t ven tu re , trust, estate, stale, m u n icip a lity , co m m iss io n , p o litica l group, state or federal agency, department or in stru m en ta lity , sp e c ia l d istr ict, in tersta te b o d y or any legal entity, which is r e c o g n iz e d b y la w as th e su b jec t o f r igh ts and d u tie s . “ P o i n t Source” 1 m e a n s a n y d i s c e r n ib l e , c o n f in e d , and discrete c o n v e y a n c e , in c lu d in g but n ot lim ite d to a n y p ip e , d itch , channel, tunnel, c o n d u it , w e ll , d isc r e te fissu re , con ta in er , r o llin g s to c k , concentrated animal fe e d in g o p e ra tio n Or v e s s e l , or o th er f lo a tin g craft, from w hich pollutants are o r m a y b e d isch a rg ed . T h is term d o e s n o t in c lu d e return flows from irr iga ted agricu ltu rp , ; , “ P o l l u t a n t "m e in s a n y e le m e n t or p rop erty o f d red g ed material, solid w a ste , in c in era to r resid u e , s e w a g e , garb a g e , s e w a g e s lu d g e , sediment, filter b a ck w a sh , m u n itio n s , c h e m ic a l w a ste s , b io lo g ic a l m ateria ls, radioactive m a ter ia ls , h ea t, w reck ed or d isca rd ed e q u ip m e n t, ro ck , sand, cellar dirt, industrial or m unicipal or agricultural w aste or e fflu en t, petroleum or petroleum p ro d u cts , in c lu d in g but n o t lim ite d to o il; or a n y m ateria l w h ich will likely alter, the p h y sica l, q h em ica l, b io jo g jca l or r a d io lo g ic a l characteristics and/or in teg r ity o f w a te p . , .. i ’ ' • • i i • 11 f t 11 i \ i i \ i • . i • • a • . \ • 44Pollution” m ean s the hum an-m ade or human-induced alteration of the physical, chem ical, biologidal or radiological characteristics and/or integrity of water. "POTW” m ean s p e rso n a l pw ned treatment works. “Pretreatment Requirements” m eans any limitation or prohibition on quantities, q ua lity , ra te s , and /o r concentrations of pollutants directly or indirectly d isc h a rg ed in to o r'o therw ise introduced into a treatment works that are im posed by federa l o r state Regulation or by the treatment works. 44Public D rinking Water Supply” m eans the source of surface/ groundw ater fo r a p u b lic dririk ing w ater supply. 44Quality Standard” m eans the assigned level of purity or quality for any water. 1 “Runoff’ m ean s w a te r that drains from an area as surface flow. F "Sanitary Waste” m eans any liquid or solid wastes originating solely from hum ans and h u m an activ ities, such as wastes collected from toilets, showers, w ash b a s in s , s inks used for cleaning domestic areas, sinks used for food p rep a ra tio n , c lo th es w ashing operations, and sinks or washing machines w h ere fo o d and beverage serving dishes, glasses, and utensils are c l e a n e d . ; ; m ; .} ; 44Saturated Zone” m e a n i any portion o f the earth below the ground surface w here every availab le opening (pore, fissure, joint, or solution cavity) is filled w ith w ater. "S ew a g e” m e a n s th e w a te r carry ing human or animal wastes from residences, bu ild ings, industria l establishments or other places, together with such g round w a te r in filtra tio n and surface water as may be present. • : “ Subsurface Se w a g e D isp o sa l System ” means a disposal system which discharges s e w a g e o n to o r beneath the surface of the ground. * # i "Soil Absorption System ” m eans a system of trenches, galleries,, chambers, p its , f ie ld (s ) o r bed(s) together with effluent distribution lines and aggregate w h ic h is in sta lled in appropriate soils to receive and distribute fluids below th e su rfa c e o f the ground. "S ea w a ter o r S a ltw a te P ' m eans those waters of the nation in which. . . . . . I r : the natural leve} o f sa lin ity is equal to or greater than ten (10) parts per thousand, 95 p e rc e n t o r m o re o f the time. "Sewage from Vessels” m eans hum an body wastes and the wastes from toilets a n d o th e r recep tac les intended to receive or retain body wastes that are d isc h a rg e d fro m vessels. "S ew a g e S lu d g e o r S lu d g e ” m eans residue, partially solid. Or solid, treated o r u n trea ted , re su ltih g from the treatm ent of sewage, including such j i B 719 residues from the c lea n in g o f sew ers, by p r o cesses su ch as settling, flotation, filtration and cen tr ifu g a tio n , and d o es not m eet th e criter ia for a hazardous waste. "Sewcir>m ea n s a p ip e or condu it that c o n v e y s w a stew a ter or storm w a te r . "Site” m ea n s land or w ater area on w h ich s o m e th in g is located or is to be lo c a te d i .e . p h ysica l position in relation to the su rrou n d in gs where any fa c il ity o r a c tiv ity is p h ysica lly located or c o n d u cted , in c lu d in g adjacent la n d u se d in con n ection w ith the facility or a c tiv ity . "Storm Waters” m eans precipitation in d u ced ru n o ff. "Surface Waters” m ea n s an y w a te r s in th e c o u n tr y that are not ground w aters. "Total Maximum Daily Load' (JMDL)” m ea n s the am ou n t o f a pollutant that m ay b e discharged into a w ater bod y and s till m ain ta in water quality standards. T he T M D L is the sum o f the in d iv id u a l w a ste load allocations for point sources and the load a llocation s for n o n -p o in t so u rces and natural background cond itions taking into account a m argin o f sa fety . "Tight Tank” m eans a tank sea led aga inst le a k a g e o f its content. "Total D issolved Solids" m ean s s o lid s d e te r m in e d u s in g Standard M ethods for the E xam ination o f W ater and W astew ater , ‘T o ta l D issolved S o lid s D ried at 180°C” . "Toxic Pollutants” m eans those pollutants or c o m b in a tio n o f pollutants, includ ing d isease-causing agents, w hich after d isch a rg e and upon exposure, ingestion, inhalation or assim ilation into any o rg a n ism , e ith er directly from the environm ent or indirectly through fo o d c h a in s , m ay , o n the basis of in form ation a va ilab le to the A g e n c y , c a u se d ea th , d is e a s e , behavioral abnorm alities, cancer, im itations, p h y sio lo g ica l m a lfu n c tio n s , biochem ical a b n o r m a lit ie s , in c lu d in g m a lfu n c tio n s in r e p r o d u c t io n , or physical deform ations, in such organ ism s or their o ffsp r in g . "Toxicsubstance” m eans a ch em ica l or m ix tu re that m ay present an unreasonable risk o f injury to health or the e n v iro n m en t. "Treatment Workd' m ean to p h ysica l, c h em ica l, and b io lo g ic a l processes to rem ove p h ysica l, ch em ica l and b io lo g ica l co n ta m in a n ts in any devices, vesse ls , system s for the storage, treatm ent, recy c lin g and reclam ation . These inclu de but not lim ited to in tercep ting se w e r s , o u tfa ll s e w e r s , sew age c o lle c t io n sy ste m s , p u m p in g , p ow er , and o th e r e q u ip m e n t , and their appurtenances, e x te n s io n s , im p ro v em en ts, r e m o d e lin g , a d d itio n s, and alterations thereof; e lem en ts essen tia l to p rov id e a r e lia b le r e c y c led supply . such as standby treatm ent units and c lear w e ll fa c ilit ie s ; and any works, including acquisition o f the land that w ill be an in tegral part o f the treatment process or is u sed fo r u ltim a te d ibposal o f residues resu lting from such treatment. j i “Unconsolidated Deposits” m eans all non-indurated o r poorly indurated soil m aterials ab o v e th e b ed rock . “Unsaturated Zone” m ean s th a t po rtion o f the e a r th ’s c ru s t w h ich does not con ta in su ff ic ie n t w a te r to fill all in te rconnec ted vo id s o r po re spaces. Perched w a te r b o d ies m ay e x is t w ith in the unsa tu ra ted zone. “Underground Source o f Drinking Water ( USDW)” m eans an aq u ife r or its portion w h ich su p p lie s any pub lic w a te r supply system ; o r w hich contains a sufficien t q uan tity o f g roundw ater to supply a public w ater supply system; and either cu rren tly supplies drinking w ater for hum an consum ption , or contains less than 3 0 0 0 mg/1 to ta l d isso lved so lids; and w h ich is no t an exempt aquifer. “Undesirable” or “Nuisance Species" m ean s an y p la n t o r an im a l aquatic species w h ich b ec o m e s so num erous due to po llu tan ts o r physica l or hydrological m o d if ic a tio n s th a t it in te rfe re s w ith , o r in d ic a te s an impairment o f the d e s ig n a ted use(s) o f a w ater body. “VesseP7 m eans any b o a t o r o th e r w a te rc raft w h e th er m oved by o ars , paddles, sails o r o th e r p o w e r m echan ism , inboard o r ou tboard , o r any o th e r boat or structure f lo a tin g upon the w a te r w h e th er o r no t cap ab le o f se lf­ locomotion, in c lu d in g h o u se boats, f loa ting businesses, b arges and s im ila r floating objects. “ Wasteload Allocation” m eans the portion o f a receiv ing w a te r’s load ing capacity that is a llo c a te d to o n e o f its p o in t sou rces o f po llu tion . “Waste Management System” m eans s tra teg ic approach fo r e ffec tive implementation o f a w aste h a n d lin g policy , the e lem en ts o f w hich inc lude the principles o f inven torization , characterization, segregation, m inim ization, treatment and d isp o sa l. “Waste water” m ea n s sew a g e ,1 industria l w aste , o th e r w astes o r any combination o f the th ree . “Waters o f Nigeria” m ean s all w aters w ith in the ju risd ic tio n o f N igeria , including, w ith o u t l im ita tio n , r iv e rs , s tre a m s , la k e s , p o n d s , s p rin g s , impoundments, es tuaries , w etlands, coastal w aters, ground w aters and trans­ boundary w aters. “Waterbody Segment” m ean s a defin ed section o r d escrib ed a rea w hich is part of a la rger su rfa c e w a te r body o f the nation . “Water mining” m ean s is a s itu a tio n w here w a te r in a con fined aqu ife r is completely a b s trac ted as i f it w ere a m ineral o r the ex trac tion o f w ater from a non-rep len ish ing g ro u n d w a te r reserves. B 722 Citation. “ Waters o f The Nation or The W” m e a n s a ll surface water and groundw ater o f N ig e r ia in c lu d in g a ll t id e w a te r s , te rr ito ria l seas, wetlands, a n d land m a sse s p a r t ia l ly o r w h o lly s u b m e r g e d in w ater; and both inter a n d in tra -s ta te b o d ie s o f w a te r w h ic h a re , h a v e b een o r will be used in 4 c o m m e rc e , ny in d u s try , fo r th e h a rv e s t in g o f f ish and shellfish or for recreational purposes. “Water Q ualityCriterid” m e a n s e le m e n ts o f th e w a te r quality standards, e x p r essed as con stitu en t c o n c e n tra t io n s , le v e ls , o r narrative statements, rep resen tin g a quality o f w a te r th a t s u p p o r ts a p a r t ic u la r use.® " Water Quality Limited Waters” m e a n s a n y se g m e n t o f a surface water b o d y w h e re th e w a te r q u a li ty d o e s n o t m e e t a p p lic a b le water quality s ta n d a rd s , a n d is no t e x p e c te d to m e e t a p p lic a b le w a te r quality standards, e v en a f te r th e a p p lic a tio n o f th e te c h n o lo g y -b a s e d effluen t limitations re q u ire d by any o f th ese R e g u la tio n s . i “Water Quality Standards" m e a n s s la te a d o p te d an d NESREA approved am bient standards'for w a te r b o d ie s . T h e s ta n d a rd s co v e r the use of the w ater bod y and the w a te r q u a lity c r i te r ia w h ic h m u s t be m et to protect the d esign ated u se or uses. “Weir m e a n s : a b o re d , d r il le d , o r d r iv e n s h a f t , a d u g hole, or seepage pit w h o se depth is greater th a n its la rg e s t s u r f a c e d im e n s io n ; or, an improved s in k h o le; or, a so il a b so rp tio n sy s te m . “ Well Injection’ or “ Underground In jection” m e a n s the subsurface em p la cem en t o f flu id s th ro u g h a w e ll. “W HO” means World H e a lth O rg a n iz a tio n . 3 6 . T h e se R e g u la tio n s sh a ll b e c i te d a s th e N a tio n a l Environmental (S u r fa ce and G round W a te r Q u a lity C o n tr o l) R e g u la tio n s , 2011. A; 'W !:M C'V- . i * J if ♦ • I I . • • i * • , r ! H; > i |. > ; * r i x i ^ **| ' « * •4;\ * v ! B 72i . ( ! P a r t F j — S chedulesI . ScheduleI Reg5 (1) PHYSICO-CHEMICAL AMBIENT WATER QUALITY CRITERIA FOR SURFACE WATER Parameter/ Indicator Effluent Discharges, Irrigation and Reuse Standards Fisheries and Recreation Quality Criteria Standards Ph 6.S-8.5 6.5-8.5 Suspended solids, mg/i 0.75 0.25 Dissolved oxygen, mg/1 Minimum 4.0 Minimum 6.0 BODj.mg/1 6.0 3.0 . COD, mg/1 30.0 30.0 SOURCE: African Forum for Utility Regulators. ' f ■ ( .7 - - : - I , ’ ' ~ | t • ; : Schedule II Regulation 5 (4), ( 5 b ) and (6) CHEMICAL AMBIENT WATER QUALITY CRITERIA FOR SURFACE WATER Parameter/ Indicator (mg/l Effluent Discharges, Irrigation and Reuse Standards Fisheries and Recreation Quality Criteria Standards s 2.0 0.05 0.08 0.02 m - 40.0 9.1 phosphates (as PO J ) 3.5 3.5 C l 350 300 500 100 Slland Grease j Oil 0.01 J V 120 120V ■— 50.0 ( 50.0 I i i *• I P a ra m e te r / In d ic a to r (mg/l E ffluent D ischarges , Irrigation and R euse Standards Fisheries and Recreation Quality Criteria Standards C a2+ 180 180 M g2+ 40.0 40.0 Total Iron (Fe2+/Fe3+) 0.5 0.05 Hg 0.0005 0.001 As 0.05 0.05 i 1 Pb i 0.1 0.01 Cd I 0.01 0.005 Cr4* ! 0.5 0.001 Cr3+ ! 0.5 0.5 Ni i 0.1 0.01 Cu 0.01 ! 0.001 A1 \ 0.2 0.2 Zn 1 0.2 0.01 CN- 0.05 0.001 Phenols 0.25 0.001 l a /S p Radioactivity, Bq/1 0.1“/1.0PBq/l 0 . r / 1.0pBq/l 1 . SOURCE : African Forum for Utility Regulators and Nigeria Industrial Standards (NIS) 5542:2007 o f Standard Organization o f Nigeria (SO N ) 2007. BIOLOGICAL AMBIENT WATER QUALITY CRITERIA FOR SURFACE WATER Schedule III R e g u la tio n 5 (2) (a) Parameter/ Indicator ' Effluent Discharges, Irrigation and Reuse Standards Fisheries and Recreation Quality Criteria Standards Coli index/1 100 50 Coli count (lactose positive)/l 5000 20 Coliphags/1 100 100 Pathogens/1 Must be absent Must be absent SOURCE : African Forum for Utility Regulators. | Schedule IV Regulation 21 (1) TARGET AND INTERVENTION VALUES FOR MICRO POLLUTANTS FOR GROUNDWATER Substance Groundwater (Ug/L) Target Value Intervention Value 1. AROMATIC COMPOUNDS Benzene ii, 0.2 30 Ethyl Benzene 1 0.2 150 Phenol ji 0.2 2000 Toluene 0.2 1000 Xylene 0.2 70 2. METAL Arsenic 1 ! 10 60 Barium .! 50 625 Cadmium 0.4 6 Chromium 1 30 Cobalt 20 100 Copper 15 75 Mercury 0.05 0.3*7 C Lead 15 75 Substance G roundwater (Ug/L) Target Value Intervention Value Nickel 15 75 Zinc | , 65 800 3. CHLORINATED HYDROCARBON 1,2- dichloro ethaine 0 .01 (d t) 400 Trihalomethane 1 • i 0 .001 mg/1 4. POLYCYCLIC AROMATIC j HYDROCARBONS (PAHS) 1 PAH (Total o f 10)* 1 i l 0.1 70 Naphthalene 0 .0 2 5 Anthracene 0 .0 2 5 Phenantrene 0 .0 0 5 1 Fluoranthracene 0.2 0.5 Berizo (a) anthracene 5. OTHER H r POLLUTANTS , Mineral oil 50 600 dt = Detection threshold. * = Total o f 10, include the five listed above and the following: Chrysene, . benzo (a) pyrene, benzo(ghi)pryrelene, benzo(k) fluoranthene and indeno (l,2,3cd)pryrene Source: DPR. i. i. l S cheduleV LIM IT FO R SUBSTANCES AND CHARACTERISTICS AFFECTING THE ACCEPTABILITY OF GROUND WATER FOR DOM ESTIC USE I Regulation 21(1) Substances Highest Desirable Level Maximum Permissible Level Total Solids 500mg/l l,500mg/l pH R ange . 7.0-8.5 ■ 6 .5-9.2 M ineral Oil 0.01mg/l 0.3mg/l Phenolic C om pounds • 0.02mg/l 0.002mg/l Bromide 0.01mg/l O.lmg/1 C hloride as C l' 200mg/l 600mg/l Chlorine <200mg/l 5mg/l Nitrate 45mg/l 50mg/l Nitrite 0.5mg/l 2mg/l Fluoride 0.6-1.5mg/l 1.5mg/l C opper as Cu** 0.05mg/l 1.5mg/l Iron as Fe** O.lmg/1 1 .Omg/1 Zinc as Zn** 5.0mg/l 15mg/l Sulphate as S 0 4 200mg/l 400mg/l Total H ardness (C a C 0 3), lOOmgA 500mg/l C alcium as Ca** j 75mg/l 200mg/l M agnesium as Mg** | 30mg/l 150mg/l M anganese as Mn** 0.05mg/l 0.5mg/l A nionic D ete rg en ts 0.2mg/l 1. Omg/1 Colour 5 unit 50 units O rdour j U nobjectionable U nobjectionable Taste 1. U nobjectionable Unobjectionable I i SO U R C E : W H O and D epartm en t o f Petroleum Resources (DPR). • i .• . . . I - c . . . Schedule VI Regulation 21 0) M IC R O B IO L O G IC A L L IM IT S F O R GROUNDWATER Param eter V i• ■ • * 1 Unit Maximum Permissible Levels T o ta l C o lifo rm c o u n t ! c fu /m L 10 T h e r m o to le ra n t C o iifo rm o r E.coli ■ c fu /1 0 0 m L 0 F a e c a l s tre p to c o c c u s i Clostridium perfringens c fu /lO O m L 0 sp o re c fu /lO O m L 0 S O U R C E : N ig e ria In d u s tr ia l S ta n d a rd s 5 5 4 2 :2 0 0 7 o f SON 2007. . .. . U.rrr'" • , !f • ; if **•" •'1 i k :’ •• • 'i '• MADE at Abuja this •t i ^ M • • j ■ • j. t ' L j*. ’ ;> • 2 8 th .d a y o f A p r il, 2011 / / , M r J o h n O d e y H onourable Minister F ederal M inistry o f Environment r :- . } ; • . % » i • J *•< **»{—— §*• {* V . . r V . f f > r j j I