HomeMy WebLinkAbout1990-06-12 Recommendation
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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,
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cc: Unda Nowmon Gonlry
Chuck Schmodoko
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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.
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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,
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(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~,
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