Public Water Systems
1,795 active water systems in IA.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| DES MOINES WATER WORKS | DES MOINES, IA | 246,055 | 50 | Detected |
| IOWA-AMERICAN WTR CO-DAVENPORT | DAVENPORT, IA | 147,720 | 11 | Detected |
| CEDAR RAPIDS WATER DEPARTMENT | CEDAR RAPIDS, IA | 141,831 | 35 | Clean |
| SIOUX CITY WATER SUPPLY | SIOUX CITY, IA | 85,791 | 133 | Detected |
| ANKENY, CITY OF | ANKENY, IA | 76,207 | 386 | Detected |
| WATERLOO WATER WORKS | WATERLOO, IA | 69,504 | 67 | Detected |
| IOWA CITY WATER DEPARTMENT | IOWA CITY, IA | 68,753 | 130 | Detected |
| WEST DES MOINES WATER WORKS | WEST DES MOINES, IA | 68,723 | 21 | Detected |
| COUNCIL BLUFFS WATER WORKS | COUNCIL BLUFFS, IA | 64,447 | 24 | Detected |
| DUBUQUE WATER WORKS | DUBUQUE, IA | 59,667 | 25 | Detected |
| AMES WATER TREATMENT PLANT | AMES, IA | 55,177 | 34 | Detected |
| URBANDALE WATER UTILITY | URBANDALE, IA | 45,605 | 11 | Detected |
| ISU | AMES, IA | 42,000 | 49 | Detected |
| MARION MUNICIPAL WATER DEPT | MARION, IA | 41,623 | 36 | Detected |
| CEDAR FALLS MUNICIPAL WATER UTILITIES | CEDAR FALLS, IA | 40,713 | 25 | Detected |
| IA REGIONAL UTILITIES ASSOC (WAVERLY) | NEWTON, IA | 37,820 | 8 | Detected |
| RATHBUN REGIONAL WATER ASSN (RATHBUN) | CENTERVILLE, IA | 33,000 | 200 | Clean |
| WAUKEE WATER SUPPLY | WAUKEE, IA | 31,823 | 67 | Detected |
| MARSHALLTOWN WATER WORKS | MARSHALLTOWN, IA | 27,591 | 28 | Detected |
| MASON CITY WATER DEPARTMENT | MASON CITY, IA | 27,338 | 647 | Detected |
| UNIVERSITY WATER SYSTEM | IOWA CITY, IA | 26,684 | 89 | Detected |
| BURLINGTON MUNICIPAL WATERWORKS | BURLINGTON, IA | 26,015 | 12 | Detected |
| FORT DODGE WATER SUPPLY | FORT DODGE, IA | 25,874 | 80 | Detected |
| OTTUMWA WATER WORKS | OTTUMWA, IA | 25,529 | 79 | Detected |
| MUSCATINE POWER & WATER | MUSCATINE, IA | 25,516 | 12 | Detected |
| IOWA-AMERICAN WTR CO-CLINTON DISTRICT | CLINTON, IA | 24,769 | 5 | Detected |
| JOHNSTON MUNICIPAL WATER SUPPLY | JOHNSTON, IA | 24,064 | 21 | Detected |
| CORALVILLE MUNI WATER SYSTEM | CORALVILLE, IA | 22,318 | 198 | Detected |
| SIRWA #2 (CRESTON) | CRESTON, IA | 20,793 | 49 | Clean |
| NORTH LIBERTY WATER SUPPLY | NORTH LIBERTY, IA | 20,491 | 46 | Detected |
| WARREN WATER DISTRICT | INDIANOLA, IA | 20,095 | 34 | Detected |
| ALTOONA WATER SUPPLY | ALTOONA, IA | 19,565 | 124 | Detected |
| CLIVE WATER DEPARTMENT | CLIVE, IA | 19,010 | 19 | Detected |
| WAPELLO RURAL WATER ASSOC. | OTTUMWA, IA | 17,263 | 26 | Detected |
| NEWTON WATER SUPPLY | NEWTON, IA | 16,518 | 34 | Detected |
| INDIANOLA WATER SUPPLY | INDIANOLA, IA | 15,833 | 45 | Detected |
| GRIMES WATER SUPPLY | GRIMES, IA | 15,392 | 40 | Detected |
| NORWALK WATER SUPPLY | NORWALK, IA | 14,334 | 55 | Detected |
| POWESHIEK WATER ASSOCIATION | TAMA, IA | 13,920 | 60 | Clean |
| XENIA RWD (DES MOINES) | BOUTON, IA | 12,860 | 19 | Detected |
| OSKALOOSA MUNICIPAL WATER DEPT | OSKALOOSA, IA | 12,808 | 251 | Detected |
| BOONE WATER WORKS | BOONE, IA | 12,704 | 258 | Detected |
| RATHBUN REG WATER ASSN (FT MADISON) | CENTERVILLE, IA | 11,840 | 16 | Detected |
| STORM LAKE WATER TREATMENT PLANT | STORM LAKE, IA | 11,431 | 20 | Detected |
| SPENCER MUNICIPAL WATER UTILITY | SPENCER, IA | 11,325 | 23 | Detected |
| FT MADISON MUNI WATER WORKS | FORT MADISON, IA | 11,087 | 249 | Clean |
| PELLA WATER WORKS DEPARTMENT | PELLA, IA | 11,052 | 418 | Detected |
| LEMARS WATER DEPARTMENT | LEMARS, IA | 10,571 | 142 | Detected |
| WAVERLY WATER DEPARTMENT | WAVERLY, IA | 10,394 | 44 | Detected |
| CARROLL MUNICIPAL WATER SUPPLY | CARROLL, IA | 10,184 | 8 | Detected |
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