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HomeMy WebLinkAbout1990-06-12 Recommendation tJ :' 1 ,:1 8 .,-, City of Iowa City MEMORANDUM Data: Juna 7, 1090 From: sor. Dlroctor. PIDnnlng & Program Dovolopmont To: Ao: In rosponso to concorns ralsod by tho Planning & Zoning Commission rogDrdlng tho olloCI sopllc systems !lAva on ground end swleco waters, lh!l City slall, Including members ollho legal. Public Works, and Planning dopDrlmonls, has drollod B policy addrosslng tho uso of sopllc systoms within tho corporolD limits ond wllhln tho two.mllo frlngD oroD, This policy, OllDChod to this momorondum In drolllorm, Is schodulod 10 bo brought boforo tho Plonnlng & Zoning Commission on JunD 21 ond thon to tho Clly Council on July 10 or 24, Tho droit policy Is basod on Informotlon rocolvDd from tho Dlroctor ofthD Johnson County Board of Hoallh, roprosontallvos 01 tho Doplrtmont 01 Notural Aosourcos, and tho Public Works DopDrtmonl. For on oVDluDtlon of tho Impacts sopllc systoms havo on groundwator qUDlity, Informallon has boon obtlllnod from tho Contor for HODllh Ellocts 01 Envlronmonlol Contamlnollon of tho Unlvorslty 01 Iowa, From tho Informallon wo hDVO boon ablo 10 colloct. wo do not bollovo an Immlnont public hDallh hllZard oxlsts by tho use of sDpllc systoms thotls sulnclont to warrDnt a morotorlum on dDvolopmont wllhln tho clly or wllhln thD two.mllo frlngD aroo. ThD stDlf. thoroloro, rocommonds thatthD ClIy Council not odopl 0 morotorlum ordlnonco ond thDttho Council conllnuo to movo toword adopllon 01 a now policy lor tho rogulollon 01 sopllc systoms, bdw3.5 cc: Unda Nowmon Gonlry Chuck Schmodoko I()J.() , ,':'1 ,9 8 8 DRAFT Juno O. 1990 WASTEWATER TREATMENT SYSTEM POLICY Issuo: Proloct ground ond surloco walora wllhln Iho corporolo boundorloa or Iowa Clly and wllhln Irlngo arGo subdlvlslona by Impoalng moro rlgoroua opDrollon and molnlononco roqulromonla on prlvalo woslowalor Iroolmonl and dlaposol sysloma. Assumpllona: . Ills In Iho public Inlorosllo prolocl ground and surfoco walors, . WDslowalor Iroalmonl and disposal sysloms ImpDcllho quality 01 ground ond surfaco wDlors, . Rogular Inspocllon ond mDlnlonanco 01 WOSlOWDlor IrODlmonl and dlspOSDI sysloms ossuro Iho quolity 01 tho olOuonl dlschDrgod from Iho systoms ond. Ihoraloro, mlnlmlzo tholr ImpDcl on IhD quality 01 ground and surfDco wDlors. . Woslowalor IroDlmont ond disposal systoms Includo both Individual sopllc sysloms ond mochonlcal woslowolor lroatmontaystoms which SOIVO tho oqulvolonl 01 lour dwolllngs or loss. BOlh ollhoso systoms ora rogulalod by Iho Johnson County Boord 01 Hoollh. . Wostowolor troolmont systoms which SOIVO Iho oqulvalont 01 olthor slxloon poraons or moro or fiVD dwolllng unlls or morD fall undor IhD lurlsdlcllon of Iho DDportmonl 01 NDtural Rosourcos (DNR) Dnd ora nol rogulotod by Iho Johnson County Boord 01 Hoallh, . Mochonlcol woslowolor Iroalmonl systems ond logoons ora Inlorlor 10 Indlvlduol sDpllc sysloms wllh rospoc\ 10 quolity 01 olOuonl dlschorgod from tho systoms ond mochDnlcDI rollobllity. . MochDnlcol wDstowalor IroalmDnl sysloms and lagoons locatod wllhln IhD Muddy Crook. Rapid Crook Dnd CloDr Crook walorshods, 1,0. upslroDm ollho Iowa Clly wDlor Iroalmonl planl, ImpDct walor quality wllhln Iowa Clly. Moasuros should bD IDkon 10 ossuro Ihollhoso sysloms do nol adyorsoly Impacllho Iowa City wDlor supply. . Two sopllc lanks oporollng In sorlos CDn morD olOclonlty prolocl ground ond surlaco watDrs than CDn 0 slnglo lank 01 oqulvolonl SIZD, . Doslgn, oporallon and malntononco roqulromonls lor on.sllo wDslowalor Iroalmonl and dlspOSDI systoms should oxcood Ihoso spocifiod In Socllon XVII, 'On.sllo Was Iowa tor MonagDmDnl Dlslrlcl (OWMD)' of Iho Johnson Counly Board 01 Hoallh BulDS nnd Rogulnllons Govornlno On.sllo WnSIQwalOr Troalmonl ond DlsDosal Systoms 1989 and should apply 10 011 Irlngo orca subdivisions of throo lols or moro and to 011 oxlsllng plallod lols within Iowa City which cDnnol bo sOIVod by tho municipal sonllory Dowor syslom, . ThD OWMD Commllloo will os sumo Incroosod Inspocllon rosponslbllillos. If) :u; , '::'1 ::1 8 'c1 2 DRAFT Policy: Subdivisions olthreo lols or moro which Dro locatod wllhln tho two.mllo oxtratorrllorlallurlsdlctlon of Iowa City and oxlstlng plallod lots wilhln tho corporato boundarlos 01101'10 City which cannot bo sorvod by tho municipal sanitary sowor systom must moot or oxcood tho roqulromonts 01 tho Johnson County Board 01 HDOllh and Dro subjoctto tho lollowing minimum roqulromonts wilh rogard to on.sllo wDstowator troolmonl and disposal: (a) Systom Soloctlon: (1) Individual soptlc systoms arc gonorDlly tho prolorrod mothod of wastowalor troatmonl and disposal. (2) Two soptlc tanks In sorles shall bo requlrod lor 011 soptlc systDms. (3) Whon silo conditions procludo tho usa or Individual soptlc sysloms. mochanlcol waslowator troatmonl sysloms may bo usod, Howovor, wilhln subdivisions of throo lots or moro which aro locatod wllhln FrlngD Aroas 2 and 3, wilhln Frlngo Aroa 1 north 01 Molroso Avonuo. wllhln FrlngD Aroo 4 (oxcopt for thai portion of Frlngo AroD 410catod botwoon 340th Stroot and 1,00) and on oxlstlng plDlIod lots within tho corporatD boundDrlos which arc locatod In walorshods which drain Into tho Iowa Rlvor upstroam of tho Iowa City walor trDalmont planl, tho olOuont dlschargod Irom thoso systoms must hDVO undorgono advancod WDStO troDtmonl. (b) Syslom Monllorlng and MalnlonDnco: (1) MochanlcDI waslowator troalmont sysloms lor tho oqulvalont 01 lour or lowor dwolllng unlls shall bo Inspoctod annually by tho OWMD Commllloo and routlno mDlnlonanco porlormod by tho proporty ownor(s), as nocossary. Proporty ownor(s) shall annually submit 0 IDlIor to thD OWMD CommltloD vDrllylng thDt routlno malntonanco, as roqulrod by tho Commltloo, has boon porlormod on tho systom, Twlco a yoar. In Jonuary and July, ollluont samplos Irom a mDchDnlcol wastowalor troalmont systom solVing tho oqulvalonl 01 lour or lowor dwolllng units shall bo submlllod by Iho ownor(s) or tho syslom to a laboratory to vorlly that tho offluDnt dlschargod Irom tho syslom mools or oxcoods tho minimum offluont standards adoptod by IhD Johnson County Board of Hoallh. ThD laboralory roports shall bo submltlod by Iho ownor(s) 01 tho systom to tho OWMD Commllloo wllhln sovon days of rocolpl of tho laboratory analysis, (2) For a mochanlcal wastowalor troatmont syslom sorvlng Iho oqulvalDnt 01 IIvo dwolllng unlls or mora. annual cortlllcatlon by a roglstorod professional onglnDor that tho systom moots minimum DNR offluont standards sholl bo submlllod by Iho ownor(s) of Iho syslom to tho OWMD CommlltoD, Coplos 01 DNR Inspoctlon (7) roports lor all wDslowalor troatmont and disposal systoms undDr IhD jurisdiction 01 tho DNR shall bo submlllod by tho ownors 01 thOSD syslDms 10 tho OWMD Commlttoo, I()~() ~~- - -- _.~- ,I 1 ,::1 ~I t] 3 DRAFT (3) Sepllc tenks sholl be Inspocted for slructurDllntegrlly and pumped overy Iwo yoers (Instead 01 three years), The properly ownor sholl submll a lotter to the OWMD Commlttoe verifying thatthD sDpllc tanks havo boen cloDned. (4) A vlsuallnspecllon 01 ovory wastowaler absorpllon oroa ShDII bo made by tho OWMD Commlttoo evory yoar. Alllnspocllon ports sholl bo oponed at that limo, II thoro Is ovldonco of 8 posslblo problem from a vlsuallnspocllon, a ropalr pormll must bo Issued by tho Commlttoo beforo ropDlrs con bo modo, ThD proporty ownor sholl submll 0 lotter to thD OWMD CommlttoD vorlfylng that tho necossary ropalrs havo beon mDdo In accordanco wllh tho ropalr pormlt (5) Other allDrnallvo wastowDtor troatmont and dlspOSDI systems 8S dDfinod by tho Johnson County Board of Hoallh must bo Inspoctod annually. A1tornallvo systoms must bo mDlntalnod according to mDnufacturers' spoclficallons, Tho property ownor sholl annually submll 8 lottor to tho OWMD CommlttoD vorlfylng that thD allernDte systom has boen malnlalnod In accordanco wllh tho manufacturors' spcclfiCllllons, In addition. annual certificatiOn by ii ragisterod profosslonal onglnoor that the allornatlvD systom moots minimum standards lostabllshod by tho manufacturor (1), tho Boord of HODllh (1)1 shall bo submlttod by tho owner of the syslom to tho OWMD Commlttoo. (6) Wastowalor systom contractors and soptlc tonk pumpors sholl sallsfactorlly comploto IIl1lhe doslgnatod requlromDnts os dotormlnod by tho County Boord 01 Hoollh, Including, bul nolllmltod to, Socllon 14,02 (attDched) of tho Johnson County Board of Honllh Aulos and AOClulnllons GovornlnCl On-silo Wnstowator Trentmenl and DlsDosnl $vstoms 196~, IlJlb