Public Water Systems
1,795 active water systems in IA.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| LOWDEN WATER SUPPLY | LOWDEN, IA | 807 | 14 | — |
| SCHLESWIG MUNIC WATER SUPPLY | SCHLESWIG, IA | 803 | 158 | — |
| OSSIAN WATER SUPPLY | OSSIAN, IA | 802 | 13 | — |
| PRESTAGE FOODS OF IOWA | EAGLE GROVE, IA | 800 | 6 | — |
| GLADBROOK WATER SUPPLY | GLADBROOK, IA | 799 | 48 | — |
| GILBERTVILLE WATER WORKS | GILBERTVILLE, IA | 794 | 57 | — |
| WEST BEND WATER DEPARTMENT | WEST BEND, IA | 791 | 40 | — |
| MILO PUBLIC WATER SUPPLY | MILO, IA | 788 | 115 | — |
| WALL LAKE WATER SUPPLY | WALL LAKE, IA | 780 | 40 | — |
| VAN HORNE WATER WORKS | VAN HORNE, IA | 779 | 53 | — |
| RUTHVEN WATER SUPPLY | RUTHVEN, IA | 779 | 8 | — |
| CRESCENT WATER SUPPLY | MARSHALLTOWN, IA | 778 | 68 | — |
| WHEATLAND CITY WATER SUPPLY | WHEATLAND, IA | 775 | 69 | — |
| FREEPORT WATER DISTRICT | DECORAH, IA | 775 | 7 | — |
| DAYTON MUNICIPAL WATER SUPPLY | FORT DODGE, IA | 772 | 35 | — |
| DAKOTA CITY WATER SUPPLY | DAKOTA CITY, IA | 769 | 26 | — |
| OKOBOJI WATER SUPPLY | OKOBOJI, IA | 768 | 6 | Detected |
| WALNUT MUNICIPAL UTILITIES | WALNUT, IA | 768 | 40 | — |
| CARSON WATER SUPPLY | CARSON, IA | 766 | 51 | — |
| CORRECTIONVILLE WATER SUPPLY | CORRECTIONVILLE, IA | 766 | 28 | — |
| MELBOURNE WATER SUPPLY | MELBOURNE, IA | 765 | 18 | — |
| EXIRA WATER DEPT | EXIRA, IA | 764 | 33 | — |
| GARNAVILLO WATER SUPPLY | GARNAVILLO, IA | 763 | 31 | — |
| ALDEN WATER SUPPLY | ALDEN, IA | 763 | 37 | — |
| ROCKFORD WATER SUPPLY | ROCKFORD, IA | 762 | 28 | — |
| WESTERN HILLS (MOBILE) ESTATES | GRINNELL, IA | 760 | 177 | — |
| SSAB IOWA INC | MUSCATINE, IA | 760 | 15 | — |
| MANILLA MUNI SERVICE DEPT | MANILLA, IA | 758 | 42 | — |
| MORNING SUN WATER DEPARTMENT | MORNING SUN, IA | 752 | 127 | — |
| MCGREGOR WATER DEPT | MCGREGOR, IA | 747 | 4 | — |
| REDFIELD WATER WORKS | REDFIELD, IA | 744 | 53 | — |
| STARMONT COMMUNITY SCHOOL DISTRICT | ARLINGTON, IA | 742 | 188 | — |
| BLAIRSTOWN WATER SUPPLY | BLAIRSTOWN, IA | 738 | 54 | — |
| MONTROSE WATER WORKS | MONTROSE, IA | 738 | 33 | — |
| SCHALLER WATER SUPPLY | SCHALLER, IA | 729 | 45 | — |
| HEDRICK WATER SUPPLY | HEDRICK, IA | 728 | 37 | — |
| WHITING WATER SUPPLY | WHITING, IA | 727 | 19 | — |
| SHELBY WATER SUPPLY | SHELBY, IA | 727 | 77 | — |
| GRAND JCT MUNICIPAL WATER DEPT | GRAND JUNCTION, IA | 725 | 22 | — |
| EARLVILLE MUNI WATER SUPPLY | EARLVILLE, IA | 724 | 147 | — |
| NORTH LINN HIGH SCHOOL / MIDDLE SCHOOL | TROY MILLS, IA | 724 | 55 | — |
| OXFORD WATER SUPPLY | OXFORD, IA | 722 | 127 | — |
| ESSEX WATER SUPPLY | ESSEX, IA | 722 | 154 | — |
| WELLSBURG WATER SUPPLY | WELLSBURG, IA | 721 | 122 | — |
| PIKES PEAK STATE PARK-CAMPGROUND | MCGREGOR, IA | 720 | 68 | — |
| HOSPERS MUNICIPAL WATER DEPT | HOSPERS, IA | 718 | 29 | — |
| MERRILL MUNICIPAL WATER SUPPLY | MERRILL, IA | 717 | 291 | — |
| VENTURA WATER WORKS | VENTURA, IA | 716 | 10 | — |
| EQUISTAR CHEMICALS LP | CLINTON, IA | 715 | 44 | — |
| CASEYS #3449 | MUSCATINE, IA | 715 | 50 | — |