Public Water Systems
3,967 active public water systems in IN, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
| Dollar General - Buffalo | Goodlettsville, IN | 27 | 6 | - |
| Outrigger - North | Remington, IN | 27 | 131 | - |
| Sycamore Golf Club | North Manchester, IN | 27 | 98 | - |
| Harris Hills Mobile Home Park | Anderson, IN | 27 | 489 | - |
| Shelbys Landing | Shelbyville, IN | 27 | 303 | - |
| Leisure Lakes Mobile Home Court | Angola, IN | 27 | 64 | - |
| Cass County 4H Park-Merchants & Ag Bldgs | Logansport, IN | 26 | 30 | - |
| Cass County 4-H Fairgrounds | Logansport, IN | 26 | 70 | - |
| Tonne Winery Incorporated | Muncie, IN | 26 | 6 | - |
| East Locke Amish School | Nappanee, IN | 26 | 52 | - |
| Smoker Craft Bldg. # 18/26 | New Paris, IN | 26 | 0 | - |
| Macgregor Park | Westfield, IN | 26 | 96 | - |
| Koteewi Park Archery Facility | Noblesville, IN | 26 | 14 | - |
| Camp Ada | Knightstown, IN | 26 | 78 | - |
| Compass Court | Akron, IN | 26 | 6 | - |
| Tippy Ballroom | Leesburg, IN | 26 | 30 | - |
| West Hastings Amish School | Milford, IN | 26 | 26 | - |
| Great Oaks After 4 Supper Club | Cedar Lake, IN | 26 | 84 | - |
| Reicherts Tavern | Cedar Lake, IN | 26 | 207 | - |
| Laporte County Library - Union Mills | Laporte, IN | 26 | 21 | - |
| Woodys Too | Houston, IN | 26 | 34 | - |
| Deangelos Pizza | Denver, IN | 26 | 16 | - |
| New Ross Mini Mart | New Ross, IN | 26 | 15 | - |
| Cromwell Hatchery-Maple Leaf Farms | Leesburg, IN | 26 | 12 | - |
| Cottonwood Campground | Syracuse, IN | 26 | 9 | - |
| Grand Corp. | Crown Point, IN | 26 | 12 | - |
| Van Buren Twp.- Fellowship Hall & Park | Star City, IN | 26 | 158 | - |
| Spear Corporation | Roachdale, IN | 26 | 3 | - |
| Macallister Machinery | South Bend, IN | 26 | 3 | - |
| Breezewood Park (MHP) | Angola, IN | 26 | 56 | - |
| Landings Association, Inc. | Fremont, IN | 26 | 6 | - |
| Ken Do Fishing Lake | Clarks Hill, IN | 26 | 175 | - |
| Dockside Lake Resort | Monticello, IN | 26 | 160 | - |
| Chiafos Resorts - Southeast | Monticello, IN | 26 | 0 | - |
| Terrace Hills Mhc | Frankfort, IN | 26 | 6 | - |
| Prestress Services Ind. -Batch Plant | Decatur, IN | 25 | 3 | - |
| Decatur Truck & Tractor | Decatur, IN | 25 | 3 | - |
| South Adams Amish School | Geneva, IN | 25 | 73 | - |
| Clearview Amish School | Berne, IN | 25 | 145 | - |
| Fox Island County Park Beach | Fort Wayne, IN | 25 | 9 | - |
| Parkview North Hospital(emergency Wells) | Fort Wayne, IN | 25 | 7 | - |
| Republic Services of Indiana - Well #3 | Fort Wayne, IN | 25 | 3 | - |
| Kuehnert Milk House | Fort Wayne, IN | 25 | 0 | - |
| Izaak Walton League - Fort Wayne | Huntertown, IN | 25 | 67 | - |
| Sunnyside Amish School | Berne, IN | 25 | 48 | - |
| Lincoln Amish School # 2 | Berne, IN | 25 | 123 | - |
| Shady Lane Amish School | Berne, IN | 25 | 12 | - |
| Engle Creek Amish School | Geneva, IN | 25 | 252 | - |
| Maple Leaf Amish School | Berne, IN | 25 | 96 | - |
| Prairie Amish School | Berne, IN | 25 | 173 | - |