Public Water Systems
2,005 active public water systems in ID, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
| Country Homes Mobile Park | Seattle, ID | 90 | 2 | - |
| Maverick Subd Lasher Construction | Caldwell, ID | 90 | 282 | - |
| Roswell Water Users Coop Company | Parma, ID | 90 | 128 | - |
| Trinity View Resort | Mountain Home, ID | 90 | 82 | - |
| Idpr Lake Cascade Sp Buttercup Cg | Cascade, ID | 90 | 29 | - |
| Mart Produce | Rupert, ID | 90 | 149 | - |
| Hilltop Adventist Church | Twin Falls, ID | 90 | 65 | - |
| Riverside Estates | Blackfoot, ID | 90 | 109 | - |
| Trout Creek Culinary Water Inc | Grace, ID | 90 | 76 | - |
| Evolution Plaza | Idaho Falls, ID | 90 | 13 | - |
| Gem Lake Industrial Park | Idaho Falls, ID | 90 | 213 | - |
| Valley View Subdivision | Rexburg, ID | 90 | 1,278 | - |
| River Meadows | Jackson, ID | 90 | 6 | - |
| Pleasant Acres Water and Sewer Dist | Weippe, ID | 89 | 9 | - |
| Country Court Community | Grangeville, ID | 89 | 182 | - |
| Creek Side RV Campground | New Meadows, ID | 89 | 26 | - |
| Mountain Shadows HOA Inc. | Garden Valley, ID | 89 | 91 | - |
| Usfs Buttermilk Campground | Idaho Falls, ID | 89 | 6 | - |
| Kokanee Park | Priest Lake, ID | 88 | 5 | - |
| Stepping Stones Estates | Athol, ID | 88 | 191 | - |
| Ramsey Estates | Coeur D'alene, ID | 88 | 75 | - |
| Kimpton Acres Third Subd | Middleton, ID | 88 | 193 | - |
| Symms Fruit Ranch Inc | Caldwell, ID | 88 | 682 | - |
| Equestrian Estates | Pocatello, ID | 88 | 23 | - |
| Parkwood Acres Water Company | Rigby, ID | 88 | 23 | - |
| Gayle Manufacturing Co | Notus, ID | 87 | 6 | - |
| King Hill Domestic Water and Sewer | King Hill, ID | 87 | 128 | - |
| Usfs Laird Park Campground | Kamiah, ID | 86 | 77 | - |
| 3 Horse Ranch Vineyards | Eagle, ID | 86 | 3 | - |
| Town and Country Water Users Assn | Mountain Home, ID | 86 | 93 | - |
| Twin Pines Mobile Park | Pocatello, ID | 86 | 23 | - |
| Evergreen Terrace Water Association | St Maries, ID | 85 | 18 | - |
| Usfs Reeder Bay and Ledgewood | Priest River, ID | 85 | 7 | - |
| Scenic Mobile Estates | Priest River, ID | 85 | 46 | - |
| Ahsahka Water and Sewer Dist | Ahsahka, ID | 85 | 108 | - |
| Rivervue Middle School | Boise, ID | 85 | 35 | - |
| Pleasant Acres Mobile Home Park | Pocatello, ID | 85 | 95 | - |
| New Horizons Water Inc | Mountain Home, ID | 85 | 55 | - |
| Camp Sawtooth Presbyterian | Ketchum, ID | 85 | 100 | - |
| Valley Wide Co-Op - Wendell | Nampa, ID | 85 | 175 | - |
| Wildhorse Ridge Subd | Pocatello, ID | 85 | 48 | - |
| Idle Wheels MHP Cat LLC | Blackfoot, ID | 85 | 16 | - |
| Town and Country Mobile Home Park | Sugar City, ID | 85 | 19 | - |
| Buffalo River Estates 1 and 2 | Island Park, ID | 85 | 38 | - |
| Terrace Water Corp Inc | Meridian, ID | 84 | 7 | - |
| Rose Garden Mobile Home Park | Blackfoot, ID | 84 | 24 | - |
| Miller Country Estates | Idaho Falls, ID | 83 | 38 | - |
| Andco Management | Idaho Falls, ID | 83 | 5 | - |
| Targhee Meadows Water Users Assn | Driggs, ID | 83 | 12 | - |
| Kaniksu Shores Estates | Sandpoint, ID | 82 | 38 | Clean |