Public Water Systems
1,795 active public water systems in IA, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| Woods and Meadows Subdivision | Leclaire, IA | 148 | 35 | - |
| Marr Park | Ainsworth, IA | 148 | 44 | - |
| Coralville Lake-Sandy Beach | Iowa City, IA | 147 | 38 | - |
| Braddyville Water Works | Braddyville, IA | 147 | 86 | - |
| Christian Conference Center | Newton, IA | 146 | 77 | - |
| Lone Rock Water Supply | Whittemore, IA | 146 | 120 | - |
| Cedarcrest Golf & Country Club | Columbus Junction, IA | 146 | 70 | - |
| Calumet Water Supply | Sibley, IA | 146 | 19 | - |
| Bristow Muni Water Supply | Bristow, IA | 145 | 135 | - |
| Bankston Public Water System | Epworth, IA | 145 | 110 | - |
| Devils Creek Estates Home Assoc | Davenport, IA | 145 | 236 | - |
| Castalia Water Works | Ossian, IA | 145 | 56 | - |
| Swaledale Water Supply | Marshalltown, IA | 144 | 129 | - |
| Henderson Water Department | Carson, IA | 144 | 90 | - |
| West Chester Muni Wtr Supply | West Chester, IA | 144 | 68 | - |
| Woolstock Water Supply | Woolstock, IA | 144 | 44 | - |
| Brayton Water System | Brayton, IA | 143 | 80 | - |
| Springbrook Water Dept | Springbrook, IA | 143 | 78 | - |
| Delaware Municipal Water Supply | Oelwein, IA | 142 | 74 | - |
| Little Sioux Park | Sioux City, IA | 141 | 0 | - |
| Oakgrove Christian Church | Shellsburg, IA | 140 | 75 | - |
| Clear Lake Baptist Church | Clear Lake, IA | 140 | 37 | - |
| Goodell Water Supply | Goodell, IA | 140 | 135 | - |
| Fairfield Estates Mobile Home Park | Kansas City, IA | 140 | 0 | - |
| Forestgate Subdivision | Iowa City, IA | 140 | 10 | - |
| Clemons Water Supply | Clemons, IA | 140 | 15 | - |
| Chester Water Supply | Riceville, IA | 139 | 209 | - |
| Southshore Heights | Newton, IA | 138 | 2 | - |
| Palmer Water Supply | Palmer, IA | 138 | 91 | - |
| New Liberty Water Supply | Long Grove, IA | 138 | 37 | - |
| Geneva Water Works | Geneva, IA | 136 | 75 | - |
| Ship's Place | Morning Sun, IA | 136 | 21 | - |
| Clare Water Department | Ft Dodge, IA | 136 | 55 | - |
| Upper Iowa Resort & Rental | Dorchester, IA | 135 | 117 | - |
| Millersburg Water Dept | Millersburg, IA | 135 | 118 | - |
| Lakewood Utilities | Fort Dodge, IA | 135 | 241 | - |
| Frankville RWD | Ossian, IA | 135 | 0 | - |
| Pioneer HI-Bred Durant Plant | Durant, IA | 134 | 57 | - |
| Lake Vista Subdivision | Swisher, IA | 134 | 34 | - |
| Superior Water System | Superior, IA | 132 | 56 | - |
| Timber Valley Estates (1St & 2nd Add) | Blue Grass, IA | 132 | 170 | - |
| Sips and Savors | St Lucas, IA | 131 | 20 | - |
| Happy Time Resort LLC | Lake Mills, IA | 131 | 9 | - |
| Heidelberg Materials US Cement LLC | Mason City, IA | 130 | 99 | - |
| Breezy Pointe Subdivision | Waukon, IA | 130 | 62 | - |
| Timberline Golf Course Inc. | Peosta, IA | 130 | 300 | - |
| Pleasant Valley Golf Course | Iowa City, IA | 130 | 33 | - |
| Havelock Water Supply | Whittemore, IA | 130 | 110 | - |
| Hickory Hills Second Annex | Blue Grass, IA | 130 | 50 | - |
| Vincent Water Supply | Vincent, IA | 130 | 23 | - |