Iowa PFAS compliance
PFAS contamination data for 500 water systems in Iowa, serving 3,267,782 people.
Total systems
500
Exceed MCL
8
At risk
0
Compliant
136
Settlement eligible
120
Iowa PFAS regulatory overview
State standards
Iowa follows federal EPA MCLs (PFOA/PFOS: 4 ppt).
IA follows federal EPA MCLs. PFAS detected in multiple drinking water systems.
Regulatory agency
Iowa follows federal EPA MCLs. PFAS contamination detected around Iowa Army Ammunition Plant and other sites.
Get weekly PFAS compliance alerts for Iowa
Water systems
| System | City | Population | PFOA (ppt) | PFOS (ppt) | Status |
|---|---|---|---|---|---|
| DES MOINES WATER WORKS IA7727031 | DES MOINES | 246,055 | — | — | Compliant |
| IOWA-AMERICAN WTR CO-DAVENPORT IA8222001 | DAVENPORT | 147,720 | 4.1 | — | Exceeds |
| CEDAR RAPIDS WATER DEPARTMENT IA5715093 | CEDAR RAPIDS | 141,831 | — | — | Compliant |
| SIOUX CITY WATER SUPPLY IA9778054 | SIOUX CITY | 85,791 | 6 | 4.3 | Exceeds |
| ANKENY, CITY OF IA7709053 | ANKENY | 76,207 | — | — | Compliant |
| WATERLOO WATER WORKS IA0790074 | WATERLOO | 69,504 | — | — | Exceeds |
| IOWA CITY WATER DEPARTMENT IA5225079 | IOWA CITY | 68,753 | — | — | Compliant |
| WEST DES MOINES WATER WORKS IA7785007 | WEST DES MOINES | 68,723 | — | — | Compliant |
| COUNCIL BLUFFS WATER WORKS IA7820080 | COUNCIL BLUFFS | 64,447 | — | — | Compliant |
| DUBUQUE WATER WORKS IA3126052 | DUBUQUE | 59,667 | 5.1 | — | Exceeds |
| AMES WATER TREATMENT PLANT IA8503039 | AMES | 55,177 | — | — | Compliant |
| URBANDALE WATER UTILITY IA7780042 | URBANDALE | 45,605 | — | — | Compliant |
| ISU IA8503528 | AMES | 42,000 | — | — | Compliant |
| MARION MUNICIPAL WATER DEPT IA5751035 | MARION | 41,623 | — | — | Compliant |
| CEDAR FALLS MUNICIPAL WATER UTILITIES IA0709084 | CEDAR FALLS | 40,713 | — | — | Compliant |
| IA REGIONAL UTILITIES ASSOC (WAVERLY) IA0990701 | NEWTON | 37,820 | — | — | Compliant |
| RATHBUN REGIONAL WATER ASSN (RATHBUN) IA0400900 | CENTERVILLE | 33,000 | — | — | Compliant |
| WAUKEE WATER SUPPLY IA2573080 | WAUKEE | 31,823 | — | — | Compliant |
| MARSHALLTOWN WATER WORKS IA6469042 | MARSHALLTOWN | 27,591 | — | — | Compliant |
| MASON CITY WATER DEPARTMENT IA1750048 | MASON CITY | 27,338 | — | — | Compliant |
| UNIVERSITY WATER SYSTEM IA5225101 | IOWA CITY | 26,684 | — | — | Compliant |
| BURLINGTON MUNICIPAL WATERWORKS IA2909053 | BURLINGTON | 26,015 | — | — | Compliant |
| FORT DODGE WATER SUPPLY IA9433050 | FORT DODGE | 25,874 | — | — | Compliant |
| OTTUMWA WATER WORKS IA9083012 | OTTUMWA | 25,529 | — | — | Compliant |
| MUSCATINE POWER & WATER IA7048001 | MUSCATINE | 25,516 | 7.2 | 4.5 | Exceeds |
| IOWA-AMERICAN WTR CO-CLINTON DISTRICT IA2326048 | CLINTON | 24,769 | — | — | Compliant |
| JOHNSTON MUNICIPAL WATER SUPPLY IA7740011 | JOHNSTON | 24,064 | — | — | Compliant |
| CORALVILLE MUNI WATER SYSTEM IA5208071 | CORALVILLE | 22,318 | — | — | Compliant |
| SIRWA #2 (CRESTON) IA8080701 | CRESTON | 20,793 | — | — | Compliant |
| NORTH LIBERTY WATER SUPPLY IA5252072 | NORTH LIBERTY | 20,491 | — | — | Compliant |
| WARREN WATER DISTRICT IA9133701 | INDIANOLA | 20,095 | — | — | Compliant |
| ALTOONA WATER SUPPLY IA7707030 | ALTOONA | 19,565 | — | — | Compliant |
| CLIVE WATER DEPARTMENT IA7720051 | CLIVE | 19,010 | — | — | Compliant |
| WAPELLO RURAL WATER ASSOC. IA9000742 | OTTUMWA | 17,263 | — | — | Compliant |
| NEWTON WATER SUPPLY IA5059064 | NEWTON | 16,518 | — | — | Compliant |
| INDIANOLA WATER SUPPLY IA9133075 | INDIANOLA | 15,833 | — | — | Compliant |
| GRIMES WATER SUPPLY IA7736011 | GRIMES | 15,392 | — | — | Compliant |
| NORWALK WATER SUPPLY IA9164078 | NORWALK | 14,334 | — | — | Compliant |
| POWESHIEK WATER ASSOCIATION IA8670701 | TAMA | 13,920 | — | — | Compliant |
| XENIA RWD (DES MOINES) IA2573701 | BOUTON | 12,860 | — | — | Compliant |
| OSKALOOSA MUNICIPAL WATER DEPT IA6273005 | OSKALOOSA | 12,808 | — | — | Compliant |
| BOONE WATER WORKS IA0819033 | BOONE | 12,704 | — | — | Compliant |
| RATHBUN REG WATER ASSN (FT MADISON) IA0400901 | CENTERVILLE | 11,840 | — | — | Compliant |
| STORM LAKE WATER TREATMENT PLANT IA1178097 | STORM LAKE | 11,431 | — | — | Compliant |
| SPENCER MUNICIPAL WATER UTILITY IA2171071 | SPENCER | 11,325 | — | — | Compliant |
| FT MADISON MUNI WATER WORKS IA5625062 | FORT MADISON | 11,087 | — | — | Compliant |
| PELLA WATER WORKS DEPARTMENT IA6368033 | PELLA | 11,052 | — | — | Compliant |
| LEMARS WATER DEPARTMENT IA7540174 | LEMARS | 10,571 | — | — | Compliant |
| WAVERLY WATER DEPARTMENT IA0990085 | WAVERLY | 10,394 | 7.2 | — | Exceeds |
| CARROLL MUNICIPAL WATER SUPPLY IA1415072 | CARROLL | 10,184 | — | — | Compliant |
| KEOKUK MUNICIPAL WATER WORKS IA5640019 | KEOKUK | 9,900 | — | — | Compliant |
| FAIRFIELD WATER SUPPLY IA5131033 | FAIRFIELD | 9,821 | — | — | Compliant |
| MAHASKA RURAL WATER SYSTEM, INC. IA6273901 | OSKALOOSA | 9,818 | — | — | Compliant |
| GRINNELL WATER DEPARTMENT IA7930008 | GRINNELL | 9,564 | — | — | Compliant |
| BONDURANT MUNI WATER SUPPLY IA7717032 | BONDURANT | 9,393 | — | — | Compliant |
| DENISON WATER SUPPLY IA2424027 | DENISON | 9,381 | — | — | Compliant |
| MOUNT PLEASANT MUNICIPAL UTILITIES IA4453016 | MOUNT PLEASANT | 9,274 | — | — | Compliant |
| IOWA LAKES REGIONAL WATER - OSGOOD IA3060001 | SPENCER | 8,500 | — | — | Compliant |
| KNOXVILLE WATER WORKS IA6342036 | KNOXVILLE | 8,400 | — | — | Compliant |
| RATHBUN REG WTR ASSN (BURLINGTON) IA0400902 | CENTERVILLE | 8,375 | — | — | Compliant |
| SIOUX CENTER MUNICIPAL WATER DEPARTMENT IA8486053 | SIOUX CENTER | 8,231 | — | — | Compliant |
| PERRY MUNICIPAL WATER WORKS IA2561036 | PERRY | 7,836 | — | — | Compliant |
| WEBSTER CITY WATER SUPPLY IA4063094 | WEBSTER CITY | 7,825 | — | — | Compliant |
| CLEAR LAKE WATER DEPARTMENT IA1716076 | CLEAR LAKE | 7,687 | — | — | Compliant |
| DECORAH WATER DEPARTMENT IA9630012 | DECORAH | 7,615 | — | — | Compliant |
| SOUTHEAST POLK RWD IA7774701 | DES MOINES | 7,565 | — | — | Compliant |
| CRESTON WATER SUPPLY IA8816089 | CRESTON | 7,536 | — | — | Compliant |
| CHARLES CITY WATER SUPPLY IA3405012 | CHARLES CITY | 7,446 | — | — | Compliant |
| WASHINGTON WATER DEPARTMENT IA9271068 | WASHINGTON | 7,362 | — | — | Compliant |
| ATLANTIC MUNICIPAL UTILITIES IA1509074 | ATLANTIC | 7,252 | — | — | Compliant |
| HIAWATHA WATER DEPT IA5735045 | HIAWATHA | 7,183 | — | — | Compliant |
| OSCEOLA RURAL WATER SYSTEM-NORTH IA7227701 | MAY CITY | 7,002 | — | — | Compliant |
| NEVADA WATER SUPPLY IA8562044 | NEVADA | 6,925 | — | — | Compliant |
| IOWA LAKES REGIONAL WATER IA2100701 | SPENCER | 6,755 | — | — | Compliant |
| ELDRIDGE WATER SUPPLY IA8230008 | ELDRIDGE | 6,726 | — | — | Compliant |
| POLK CITY WATER SUPPLY IA7770050 | POLK CITY | 6,533 | — | — | Compliant |
| ADEL MUNICIPAL WATER WORKS IA2503003 | ADEL | 6,461 | — | — | Compliant |
| ORANGE CITY MUNICIPAL WATER DEPARTMENT IA8474097 | ORANGE CITY | 6,267 | — | — | Compliant |
| SPIRIT LAKE WATERWORKS IA3070078 | SPIRIT LAKE | 6,167 | — | — | Compliant |
| MAQUOKETA MUNICIPAL WATER IA4950029 | MAQUOKETA | 6,128 | — | — | Compliant |
| XENIA RWD (NORTH) IA9425701 | BOUTON | 6,122 | — | — | Compliant |
| INDEPENDENCE WATER DEPT IA1037070 | INDEPENDENCE | 6,064 | — | — | Compliant |
| ASBURY MUNICIPAL WATER SYSTEM IA3102001 | ASBURY | 5,943 | — | — | Compliant |
| OELWEIN MUNICIPAL WATER WORKS IA3353088 | OELWEIN | 5,920 | — | — | Compliant |
| ESTHERVILLE WATER TREATMENT PLANT IA3218024 | ESTHERVILLE | 5,904 | — | — | Compliant |
| MARION CO. RURAL WATER DISTRICT IA6342711 | KNOXVILLE | 5,687 | — | — | Compliant |
| RED OAK WATER SUPPLY IA6950075 | RED OAK | 5,596 | — | — | Compliant |
| DE WITT WATER SUPPLY IA2330036 | DEWITT | 5,514 | — | — | Compliant |
| SHELDON WATER DEPARTMENT IA7170040 | SHELDON | 5,512 | — | — | Compliant |
| OSCEOLA WATER WORKS IA2038038 | OSCEOLA | 5,503 | — | — | Compliant |
| ALGONA MUNICIPAL UTILITIES IA5502015 | ALGONA | 5,487 | — | — | Compliant |
| GLENWOOD MUNICIPAL UTILITIES IA6525090 | GLENWOOD | 5,449 | — | — | Compliant |
| WINTERSET MUNICIPAL WATERWORKS IA6171029 | WINTERSET | 5,428 | — | — | Compliant |
| SOUTHERN SIOUX COUNTY RURAL WATER IA8400733 | IRETON | 5,420 | — | — | Compliant |
| CENTERVILLE MUNICIPAL WATERWORKS IA0407008 | CENTERVILLE | 5,344 | — | — | Compliant |
| CHEROKEE WATER SUPPLY - PLANT 1 IA1811020 | CHEROKEE | 5,199 | — | — | Compliant |
| IOWA FALLS WATER DEPARTMENT IA4260097 | IOWA FALLS | 5,146 | — | — | Compliant |
| MANCHESTER WATER SUPPLY IA2839021 | MANCHESTER | 5,077 | — | — | Compliant |
| HARLAN MUNICIPAL UTILITIES IA8335029 | HARLAN | 5,067 | — | — | Compliant |
| SERGEANT BLUFF WATER SUPPLY IA9774033 | SERGEANT BLUFF | 5,015 | — | — | Compliant |
| XENIA RWD (BOONE) IA0844006 | BOUTON | 4,975 | — | — | Compliant |
| VINTON MUNICIPAL WATER DEPT IA0688053 | VINTON | 4,938 | — | — | Compliant |
| SHENANDOAH WATER DEPT IA7383045 | SHENANDOAH | 4,925 | — | — | Compliant |
| HUMBOLDT MUNICIPAL WATER DEPT IA4641064 | HUMBOLDT | 4,792 | — | — | Compliant |
| SAC & FOX (MESKWAKI) IN IOWA 070000003 | TAMA | 4,765 | — | — | Compliant |
| CAMANCHE WATER SUPPLY IA2322066 | CAMANCHE | 4,570 | — | — | Compliant |
| EVANSDALE WATER WORKS IA0723027 | EVANSDALE | 4,561 | — | — | Compliant |
| MOUNT VERNON WATER SUPPLY IA5758021 | MOUNT VERNON | 4,527 | — | — | Compliant |
| DYERSVILLE MUNICIPAL WATER CO IA3130091 | DYERSVILLE | 4,477 | — | — | Compliant |
| ANAMOSA MUNICIPAL WATER SUPPLY IA5307048 | ANAMOSA | 4,457 | — | — | Compliant |
| CHARITON MUNICIPAL WATER WORKS IA5903011 | CHARITON | 4,381 | — | — | Compliant |
| CLARINDA WATER PLANT IA7329029 | CLARINDA | 4,372 | — | — | Compliant |
| HAMPTON MUNI WATER WORKS IA3544024 | HAMPTON | 4,337 | — | — | Compliant |
| FOREST CITY WATER SUPPLY IA9525047 | FOREST CITY | 4,285 | — | — | Compliant |
| HUXLEY WATERWORKS DEPT IA8538066 | HUXLEY | 4,244 | — | — | Compliant |
| JEFFERSON WATER DEPARTMENT IA3742004 | JEFFERSON | 4,182 | — | — | Compliant |
| CARLISLE WATER SUPPLY IA9113071 | CARLISLE | 4,170 | — | — | Compliant |
| REGIONAL WATER IA8300184 | AVOCA | 4,132 | — | — | Compliant |
| SIRWA #3 (OSCEOLA) IA2038701 | CRESTON | 4,080 | — | — | Compliant |
| ROCK VALLEY WATER SUPPLY IA8482096 | ROCK VALLEY | 4,059 | — | — | Compliant |
| MONTICELLO WATER SUPPLY IA5343098 | MONTICELLO | 4,040 | — | — | Compliant |
| CRESCO WATERWORKS IA4515087 | CRESCO | 3,913 | — | — | Compliant |
| WEST LIBERTY WATER UTILITY IA7073010 | WEST LIBERTY | 3,858 | — | — | Compliant |
| WORTH CO INTERCHANGE 214 WATER SUPPLY IA9855202 | MANLY | 3,850 | — | — | Compliant |
| WAUKON WATER DEPARTMENT IA0398082 | WAUKON | 3,827 | — | — | Compliant |
| CARTER LAKE WATER DISTRICT IA7812079 | CARTER LAKE | 3,791 | — | — | Compliant |
| EMMETSBURG MUNICIPAL WATER DEPARTMENT IA7428021 | EMMETSBURG | 3,733 | — | — | Compliant |
| WEST BURLINGTON MUNI. WATER SUPPLY IA2985002 | WEST BURLINGTON | 3,728 | 5.3 | — | Exceeds |
| ALBIA MUNICIPAL WATER WORKS IA6803010 | ALBIA | 3,721 | — | — | Compliant |
| OSAGE MUNICIPAL WATER SUPPLY IA6663001 | OSAGE | 3,637 | — | 4.2 | Exceeds |
| EAGLE GROVE WATER SUPPLY IA9926096 | EAGLE GROVE | 3,601 | — | — | Compliant |
| WEST CENTRAL RWA - NISH SYSTEM IA1400902 | MANNING | 3,573 | — | — | Compliant |
| NEW HAMPTON WATER SUPPLY IA1970051 | NEW HAMPTON | 3,494 | — | — | Compliant |
| XENIA RWD (WOODWARD) IA2576705 | BOUTON | 3,465 | — | — | Compliant |
| RURAL WATER SYSTEM #1 IA8400722 | HOSPERS | 3,428 | — | — | Compliant |
| STORY CITY WATER DEPT IA8584000 | STORY CITY | 3,357 | — | — | Compliant |
| ONAWA MUNICIPAL WATER PLANT IA6739095 | ONAWA | 2,906 | — | — | Compliant |
| BELLE PLAINE WATER DEPT IA0610099 | BELLE PLAINE | 2,380 | — | — | Compliant |
| WEST CENTRAL RWA-BOYER SYSTEM IA1400903 | MANNING | 1,715 | — | — | Compliant |
| URBAN BLUFFS - NORTH IA7820701 | AVOCA | 1,558 | — | — | Compliant |
| LYON-SIOUX RWS-BIG SIOUX IA6000755 | ROCK RAPIDS | 1,530 | — | — | Compliant |
| CLARKSVILLE WATER SUPPLY IA1228038 | MARSHALLTOWN | 1,254 | — | — | Compliant |
| MELCHER-DALLAS WATER SUPPLY IA6300099 | MELCHER DALLAS | 1,213 | — | — | Compliant |
| ANITA MUNICIPAL UTILITIES IA1503053 | ANITA | 972 | — | — | Compliant |