PFAS in Iowa Water
Based on EPA UCMR 5 testing of 32 public water systems in Iowa.
See Iowa on the national heatmap32
Systems Tested
32
With PFAS Detected
8
Above EPA Limits
25%
Exceed MCL
Most Commonly Detected PFAS in Iowa
Systems with detections · EPA UCMR 5 (2023–2025)
PFBA 24 systems
PFBS 12 systems
PFPeA 9 systems
PFHxS 7 systems
PFHxA 6 systems
PFOA 6 systems
Check your Iowa ZIP code
Get specific results for your neighborhood's water utility.
Water Systems in Iowa (32)
Click any row to see ZIP-level details| Water System | PWSID | PFAS Detected | Above MCL | Risk |
|---|---|---|---|---|
| SIOUX CITY WATER SUPPLY GU | IA9778054 | 9 | 3 | High Risk |
| MUSCATINE POWER & WATER Groundwater | IA7048001 | 7 | 2 | High Risk |
| WAVERLY WATER DEPARTMENT Groundwater | IA0990085 | 6 | 2 | High Risk |
| WEST BURLINGTON MUNI. WATER SUPPLY Surface Water | IA2985002 | 5 | 1 | High Risk |
| WATERLOO WATER WORKS Groundwater | IA0790074 | 4 | 1 | High Risk |
| DUBUQUE WATER WORKS Groundwater | IA3126052 | 2 | 1 | High Risk |
| OSAGE MUNICIPAL WATER SUPPLY Groundwater | IA6663001 | 2 | 1 | High Risk |
| IOWA-AMERICAN WTR CO-DAVENPORT Surface Water | IA8222001 | 2 | 1 | High Risk |
| IOWA-AMERICAN WTR CO-CLINTON DISTRICT Groundwater | IA2326048 | 5 | 0 | Moderate |
| BURLINGTON MUNICIPAL WATERWORKS MX | IA2909053 | 3 | 0 | Low Level |
| HIAWATHA WATER DEPT Groundwater | IA5735045 | 3 | 0 | Low Level |
| URBAN BLUFFS - NORTH Surface Water | IA7820701 | 3 | 0 | Low Level |
| RATHBUN REG WTR ASSN (BURLINGTON) Surface Water | IA0400902 | 2 | 0 | Low Level |
| KEOKUK MUNICIPAL WATER WORKS Surface Water | IA5640019 | 2 | 0 | Low Level |
| RATHBUN REG WATER ASSN (FT MADISON) Surface Water | IA0400901 | 1 | 0 | Low Level |
| CENTERVILLE MUNICIPAL WATERWORKS Surface Water | IA0407008 | 1 | 0 | Low Level |
| OSCEOLA WATER WORKS Surface Water | IA2038038 | 1 | 0 | Low Level |
| SIRWA #3 (OSCEOLA) Surface Water | IA2038701 | 1 | 0 | Low Level |
| GARDEN GROVE WATER SUPPLY Surface Water | IA2725073 | 1 | 0 | Low Level |
| IOWA LAKES REGIONAL WATER - LAKES AREA Surface Water | IA3060001 | 1 | 0 | Low Level |
| OKOBOJI WATER SUPPLY Surface Water | IA3060091 | 1 | 0 | Low Level |
| SPIRIT LAKE WATERWORKS Surface Water | IA3070078 | 1 | 0 | Low Level |
| CHARITON MUNICIPAL WATER WORKS Surface Water | IA5903011 | 1 | 0 | Low Level |
| ALBIA MUNICIPAL WATER WORKS Surface Water | IA6803010 | 1 | 0 | Low Level |
| CLARINDA WATER PLANT Surface Water | IA7329029 | 1 | 0 | Low Level |
| BONDURANT MUNI WATER SUPPLY Surface Water | IA7717032 | 1 | 0 | Low Level |
| CARTER LAKE WATER DISTRICT MX | IA7812079 | 1 | 0 | Low Level |
| CAMBRIDGE WATER SUPPLY Groundwater | IA8509069 | 1 | 0 | Low Level |
| CRESTON WATER SUPPLY Surface Water | IA8816089 | 1 | 0 | Low Level |
| WAPELLO RURAL WATER ASSOC. Surface Water | IA9000742 | 1 | 0 | Low Level |
| CARLISLE WATER SUPPLY Groundwater | IA9113071 | 1 | 0 | Low Level |
| DECORAH WATER DEPARTMENT Groundwater | IA9630012 | 1 | 0 | Low Level |