Public Health (Effluent) Regulations (G. N. No. 662 of 1970)

I~oksia Government Notice No. 662 (If 197(). rCAP. 167 Public Health (Eff uent) Regu larions, 1970 IT is hereby notified that the Minister of Health has. in terms of section 112 of the Public Health Act [Chaprer jfJ7]. made the following regulations: ~ I. These regulations may be cited as the Pub! ic Hea hil I Em uent) Regulations. 1970. In these regulations ,.app roval' means wri tten approyal by a heal t h authori t y given in terms of these regulations: "council" means any municipal council. town council or rural council: "eff uent liquid" means any Iiquid canrami ng waste. sewage or other offensive matter: "health author it v lJl~aj\S (3) in the case of an application for approval in respect of land within! he .i urisd iction of a co unciI. I he \..0 uncil , alid rh) in the case of an application for approval in respect of land outside the jurisdiction of 2 council. the ch ief hea IltJ ulTllt:l .'oxidation ponds" include aerated oxidation ponds, pass veer channeIs and the iT va riat ions: "xcwage-treatrnent works" means a works using a process of biologica 1 ftltra tion. acii vated sludge 0 r 1;;\ tend ed aera I ion. bur does not include oxidation ponds, .v. ",-;' 0 person 013 y (a) discharge any effluent liquid on to: or ih) use any effluent liquid for the irrigation of: an y !and w] t hour having f rst apr lied fora nd received t he a pp rova I of the a ppropriatc health authority. 1, 11) Any person requiring the approval mentioned in section ~ shu!l apply to the health authority and give full details of hi~ proposed usc or discharge of I he e III uent 1iquid. and any of her informat ion reasonably required hy [he health authority. CAP. 167) Public Health TEffiuent) Regulations. 1970 (2) In considering an application made in terms of sub section (I). the health authority shall take into accouru. inter alia. tile quantity and nature uf the effluent liq uid ill relation La the area and' type of land on to which it is to be discharged. or where it is fa be used. (3) The approval mentloned in section ~ may be made subject to all or any of the following conditions-s (a) that a reticulation system is provided for the effluent liquid entirely separate from any system for the reticu lation of potable water: (b) that all piping, equipment and installation for use in the storage and ret iculation of the effl ucnt liq uid, above or be low grou nd, are distinct ively and indelibly marked so as to be immediately distinguishable from any system for the reticulation of potable water; (c) that all pipe connexions are below the ground: (d) that adequate warning notices are erected in appropriate languages indicating t ha t cmUC1l1 liquid is being used, and (e) any othe r cond itions dee rued necessary by the IleaIth ;lIl1hority to protect the health of the public. (4) In giving the approval mentioned in section :I in respect of effluent liquids from sewage treatment works or oxidation ponds, the health authority shall prescribe standards of purity which shall not be lower. but may be higher. than those specified in the Schedule for the effluent liquid. (5) A health authority may, by notice In writing (a) revoke its approval or any conditions to which the approval was subject: or (b) amend or add to any conditions to which the approval was subject. 5. Whe re any em uen t liquid from sewage-trea tmen t works Of oxidation ponds which are the property of a council is to be used for the irrigation of land the council shall comply with the standards of purity prescribed in terms of section 4. 6. No person may lise any effluent liquid from any sewage treatment works or oxidation rands for the irrigation of any land on which salad crops to he eaten raw. vegetable CfOpS Of herry fruit., are grnwtng: [CAP. 167 Public Health (Effluent) Regulations. 1970 Provided tha t (he counci lor the ehief hcalt h officer. ax the case may be. may grant an exemption. in writing. from the pro visions 0 f this section in spec ifie cases in respcc t 0 f vcgeta b Ie crops and berry fruits. 7. No person rna y usc, for the irrigation of -any land wi(hi n 200 metres of an occupied dwelling or 50 metres of any public road by sprinklers, any effluent liquid from any sewage-treatment works or oxidation ponds unless such liquid complies with the minimum standards prescribed in the Schedule for use in relation to public amenities. 8. (I) No person may. without having first applied for and received approval. use (a) any digested sludge for agricultural purposes; or or undigested sludge for any composting(b) any raw process. (l) The health authority may make approval erantNl in terms of subsection (1) subject to any cond i tionsit dee ms neces sary to protect the public health, 9. No person may use ::Iny raw or undigested sludge for agricultural purposes. ,I/i"i",,,,,, standard» of purity of ~ffiuenr Method of irrigation (),h~" I'('"Qulrr"ppn/l A, Public arne nines, eg., ~POr1' fiel cis, pu bl ic parks. golf courses, etc.. hUI 001 swimming-pool sur rounds, E Filuen I from sc w a ge·1 ren I- Su rfde e ment worh-- or il) biologic" I 0 xygen de mn nd ,prj n k Icr n PI exceed ing 10 pa rts pe r million: and (2) SIabili ty as mcasu red by I he mel hy lene blue rest not less rnan 21 days: ;tnu (3) E, Coli (type I) not ex ceed ing 10 per mill ilil re ; and (4) residua I chlor i ne not less rhan O· J pam per million ,fter 30 minutes: COntact in sa m pies taken at the sewage rreutrne n t works. Efrluent from o x i d a t i o n S"d~r, nonds-c- or (I) stability of not Jess than 10 sprink ler days w hen filtered throng h No.4 Whatrnan paper or 21 days when filtered th,,.,,,~(, Whatrna n Gf7/C gl",~ pn per : CAP. 167) Public Health (Effluent) Regulations, 1970 Ty~ of jl50r~ or CNJp Il. (ol Gmin crnps : and (b1 crop, &rD"-n for in dustrial processing, vuch ~ . n it-seed I. fibre. etc .. which are nOI for direct human consumption, bUI ex dud in& crop' gro wn ror d.hyd rat ion, ca 0 nio & or preserving: aod (c} crops gro"'o '0lely for seed-production for sa le 10 registered. seed merchants but nl',)l l:LU rrl~t n l,:UU!IoU mp lion: and (If) nursing production. excluding cut t'owers Brown for sale ; and «oj fodder crops for harvesring : and (/) pastures for ,laugh· rer stock : and f\1i"imulII standards of purity of rJlfurfPI (2l E, Coli (tn'~ I) not ~~­ ceeding 10 per rnillilirre : and (3) resid ua I chi orine not less than 0·] parts per million after 30 minutes' contact in ~".iln~le. t.ken '~H t h e ('lIX;O:;&l;('It'l ponds. Effluent from vewagc-rreut rnent work s-> (l) b iologica I 0' ygen de ma nd not exceeding 70 paris per million: and (2) ,lability as measured by the methylene blue test not I"" th~n 36 hours; Effluent from o x i d a t i o n ponds (1) slabilily nOI less t han one day when Alter ed I h rough ":YII~ t n\.Ir~ t~u .... pu per , ,"'(~rh(J,1 of irf"i' l1f ron Surfuce 0"1,, No grazing lo be per milled within 24 hours of appl ication or el fluent, a ne! drinking. 1roughs to be provided r"r stock orchards. tr elli se d marketed, "j nes, pln n I a I ton and tr ee cr oos C. A, in II I"l, (h\. 1'-1. lill, I<-J und In EI1l uent from se wage-t rca l ment wor ks- SurLll:e or (I) biological oxygen demand snri"kler nat exceed inlt .10 pMI S per r"~ illlQn; a.nd (2) 'I a bil ity as rneasu red by the rnet h ylerie blue test nOI less than 10 days. FrrlUf"r'II frotn nr ..d."llnr\ ncnds-> (1) Stability not less I ha n 10 days when lilt ered I h rough What man No, 4 paper or 21 ,1avs when ntte red Ihro u~ h '''hill nurn (j fie u:l:1\'iii Q-:l ncr. Public Health (Effluent) Regulations. 1970 ICAP. 167 T,·I'~ "{""'If'- '" "VI D. (QI As in n, and (b) pUtures roc dairy stock: and (;) CUI flowers grown tor sale ,Hin;",,,,,, sland,,,,</., "f "u'''ya[l'jJllJl'''l Emuen! from sewage-Ire;\I' men! worb (Il biological oxygen demand no! exceeding 10 pans J'cr rniltlon: and (2) stability 3s measured by the methylene blue test nO! ks.~ than 21 daYI; amI (.I) I,. Loll {type II fH,1 n (ceding 10 per ",;lIili,,< Ernucn! (,,'m "'ttl",,,,,, po",h· (11 "~bili':r ""\ k" ,Iod" III days when fillerel.! through Whatman GF/C glass paper: und (2) E. Coli (type I) nol " •. ceeding 10 per millilitre. MClhod of ,nll/nl,,'"