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 |
| Nps Nez Perce National Historical Park | Spalding, ID | 75 | 5 | - |
| Decoy Inn and RV Park | Notus, ID | 75 | 184 | - |
| Mangum Heights Subd | Nampa, ID | 75 | 57 | - |
| Northridge Estates Water Assn | Middleton, ID | 75 | 34 | - |
| Deer Flat National Wildlife Refuge - Hq | Nampa, ID | 75 | 33 | - |
| Murphy Water System | Murphy, ID | 75 | 46 | - |
| Franklin Domestic Water Users | Boise, ID | 75 | 67 | - |
| Bittercreek Meadows Subdivision | Meridian, ID | 75 | 83 | - |
| Corps Macks Creek Park | Boise, ID | 75 | 15 | - |
| Tlk Dairy | Mountain Home, ID | 75 | 40 | - |
| Ywam Idaho Boise Cascade Inc | Cascade, ID | 75 | 69 | - |
| Mountain View RV West | Williamsburg, ID | 75 | 37 | - |
| Silver Creek Plunge | Garden Valley, ID | 75 | 26 | - |
| Idpr Lake Cascade Sp Huckleberry Cg | Cascade, ID | 75 | 21 | - |
| Aspen Hollow Homeowners Assoc | Sun Valley, ID | 75 | 48 | - |
| Greenhorn Subd | Ketchum, ID | 75 | 105 | - |
| Intermountain Christian Camp | Fairfield, ID | 75 | 12 | - |
| Methodist Church Camp Sawtooth | Fairfield, ID | 75 | 14 | - |
| Malta Fuel Depot | Malta, ID | 75 | 17 | - |
| Travelers Oasis | Eden, ID | 75 | 101 | - |
| Snake River Elks #2807 | Jerome, ID | 75 | 51 | - |
| Minidoka Historical Site Visitor Center | Jerome, ID | 75 | 93 | - |
| Deep Creek Mennonite School | Buhl, ID | 75 | 51 | - |
| Rogerson Water Dist | Rogerson, ID | 75 | 70 | - |
| Curry Junction | Filer, ID | 75 | 81 | - |
| S&s | Kimberly, ID | 75 | 0 | - |
| Lds Virginia Ward Church | Pocatello, ID | 75 | 29 | - |
| Oakdell Farms LLC | Franklin, ID | 75 | 123 | - |
| Strawberry Mink Creek Water Assn | Preston, ID | 75 | 117 | - |
| Sea Gull Bay Yacht Club | Pocatello, ID | 75 | 43 | - |
| St Leon Ind Park | Idaho Falls, ID | 75 | 7 | - |
| Falcon Ridge Subdivision | Idaho Falls, ID | 75 | 0 | - |
| Frazier Industrial Company | Idaho Falls, ID | 75 | 5 | - |
| Stanley High Country Inn | Stanley, ID | 75 | 29 | - |
| Fremont County Golf Course | St. Anthony, ID | 75 | 23 | - |
| Buffalo Run LLC | Island Park, ID | 75 | 16 | - |
| Yellowstone RV Park at Macks Inn | Rexburg, ID | 75 | 59 | - |
| Red Rock RV and Camping Park | Heath, ID | 75 | 10 | - |
| Usfs Last Chance | Idaho Falls, ID | 75 | 8 | - |
| Assembly of God Church | Salmon, ID | 75 | 90 | - |
| Usfs Fenn Ranger Station and Ycc Camp | Kooskia, ID | 74 | 23 | - |
| Bme Fire Trucks | Boise,, ID | 74 | 33 | - |
| Small Wonders Daycare | Kuna, ID | 74 | 8 | - |
| Valley View Estates | Pocatello, ID | 74 | 173 | - |
| Lds Arbon Church | Pocatello, ID | 73 | 5 | - |
| Osgood School | Caldwell, ID | 73 | 18 | - |
| Shadow Ridge at Stephens Ranch | Ashton, ID | 73 | 2 | - |
| Ponderosa Mobile Home Park | Priest River, ID | 72 | 24 | - |
| Stanley Pond Inc | Boise, ID | 72 | 45 | - |
| Yellow Pine Water Users Inc | Yellow Pine, ID | 72 | 155 | - |