Public Water Systems
1,795 active water systems in IA.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| KEOKUK MUNICIPAL WATER WORKS | KEOKUK, IA | 9,900 | 50 | Detected |
| FAIRFIELD WATER SUPPLY | FAIRFIELD, IA | 9,821 | 53 | Detected |
| MAHASKA RURAL WATER SYSTEM, INC. | OSKALOOSA, IA | 9,818 | 27 | Clean |
| GRINNELL WATER DEPARTMENT | GRINNELL, IA | 9,564 | 87 | Detected |
| BONDURANT MUNI WATER SUPPLY | BONDURANT, IA | 9,393 | 27 | Detected |
| DENISON WATER SUPPLY | DENISON, IA | 9,381 | 16 | Detected |
| MOUNT PLEASANT MUNICIPAL UTILITIES | MOUNT PLEASANT, IA | 9,274 | 111 | Detected |
| IOWA LAKES REGIONAL WATER - OSGOOD | SPENCER, IA | 8,500 | 17 | Detected |
| KNOXVILLE WATER WORKS | KNOXVILLE, IA | 8,400 | 20 | Detected |
| RATHBUN REG WTR ASSN (BURLINGTON) | CENTERVILLE, IA | 8,375 | 51 | Detected |
| SIOUX CENTER MUNICIPAL WATER DEPARTMENT | SIOUX CENTER, IA | 8,231 | 21 | Detected |
| PERRY MUNICIPAL WATER WORKS | PERRY, IA | 7,836 | 194 | Detected |
| WEBSTER CITY WATER SUPPLY | WEBSTER CITY, IA | 7,825 | 38 | Detected |
| CLEAR LAKE WATER DEPARTMENT | CLEAR LAKE, IA | 7,687 | 35 | Detected |
| DECORAH WATER DEPARTMENT | DECORAH, IA | 7,615 | 17 | Detected |
| SOUTHEAST POLK RWD | DES MOINES, IA | 7,565 | 102 | Detected |
| CRESTON WATER SUPPLY | CRESTON, IA | 7,536 | 72 | Detected |
| CHARLES CITY WATER SUPPLY | CHARLES CITY, IA | 7,446 | 24 | Clean |
| WASHINGTON WATER DEPARTMENT | WASHINGTON, IA | 7,362 | 48 | Detected |
| ATLANTIC MUNICIPAL UTILITIES | ATLANTIC, IA | 7,252 | 15 | Detected |
| HIAWATHA WATER DEPT | HIAWATHA, IA | 7,183 | 13 | Detected |
| OSCEOLA RURAL WATER SYSTEM-NORTH | MAY CITY, IA | 7,002 | 12 | Detected |
| NEVADA WATER SUPPLY | NEVADA, IA | 6,925 | 212 | Detected |
| IOWA LAKES REGIONAL WATER | SPENCER, IA | 6,755 | 26 | Clean |
| ELDRIDGE WATER SUPPLY | ELDRIDGE, IA | 6,726 | 32 | Clean |
| POLK CITY WATER SUPPLY | POLK CITY, IA | 6,533 | 17 | Detected |
| ADEL MUNICIPAL WATER WORKS | ADEL, IA | 6,461 | 68 | Clean |
| ORANGE CITY MUNICIPAL WATER DEPARTMENT | ORANGE CITY, IA | 6,267 | 25 | Detected |
| SPIRIT LAKE WATERWORKS | SPIRIT LAKE, IA | 6,167 | 32 | Detected |
| GENESIS E CAMPUS HOSPITAL EMG WELL | DAVENPORT, IA | 6,165 | 0 | — |
| MAQUOKETA MUNICIPAL WATER | MAQUOKETA, IA | 6,128 | 169 | Detected |
| XENIA RWD (NORTH) | BOUTON, IA | 6,122 | 12 | Detected |
| INDEPENDENCE WATER DEPT | INDEPENDENCE, IA | 6,064 | 15 | Clean |
| ASBURY MUNICIPAL WATER SYSTEM | ASBURY, IA | 5,943 | 0 | Detected |
| OELWEIN MUNICIPAL WATER WORKS | OELWEIN, IA | 5,920 | 39 | Detected |
| ESTHERVILLE WATER TREATMENT PLANT | ESTHERVILLE, IA | 5,904 | 6 | Detected |
| MARION CO. RURAL WATER DISTRICT | KNOXVILLE, IA | 5,687 | 15 | Detected |
| RED OAK WATER SUPPLY | RED OAK, IA | 5,596 | 369 | Detected |
| DE WITT WATER SUPPLY | DEWITT, IA | 5,514 | 27 | Detected |
| SHELDON WATER DEPARTMENT | SHELDON, IA | 5,512 | 22 | Detected |
| OSCEOLA WATER WORKS | OSCEOLA, IA | 5,503 | 155 | Detected |
| ALGONA MUNICIPAL UTILITIES | ALGONA, IA | 5,487 | 67 | Detected |
| GLENWOOD MUNICIPAL UTILITIES | GLENWOOD, IA | 5,449 | 259 | Detected |
| WINTERSET MUNICIPAL WATERWORKS | WINTERSET, IA | 5,428 | 138 | Clean |
| SOUTHERN SIOUX COUNTY RURAL WATER | IRETON, IA | 5,420 | 37 | Detected |
| CENTERVILLE MUNICIPAL WATERWORKS | CENTERVILLE, IA | 5,344 | 122 | Detected |
| CHEROKEE WATER SUPPLY - PLANT 1 | CHEROKEE, IA | 5,199 | 3 | Detected |
| IOWA FALLS WATER DEPARTMENT | IOWA FALLS, IA | 5,146 | 33 | Detected |
| MANCHESTER WATER SUPPLY | MANCHESTER, IA | 5,077 | 7 | Clean |
| HARLAN MUNICIPAL UTILITIES | HARLAN, IA | 5,067 | 2 | Clean |