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 |
| Indiana Trap Shooters Assoc. | Evansville, IN | 50 | 254 | - |
| Greenfield Conservation Club-Campground | Greenfield, IN | 50 | 126 | - |
| Arrowhead Golf Course | Greenfield, IN | 50 | 13 | - |
| New Amsterdam Quarry/Mulzer Crushed Ston | Tell City, IN | 50 | 177 | - |
| Elite Property, Inc. | Clayton, IN | 50 | 45 | - |
| Dollar General #13212 - Stilesville | Goodlettsville, IN | 50 | 34 | - |
| Washington Township Pecar Park | Avon, IN | 50 | 0 | - |
| Stilesville Christian Church | Stilesville, IN | 50 | 92 | - |
| Yogi Bear Jellystone Camp Resort | Knightstown, IN | 50 | 17 | - |
| The Parcel | New Castle, IN | 50 | 28 | - |
| Greater Life Church | Monticello, IN | 50 | 67 | - |
| Northwestern Athletic Facility | Kokomo, IN | 50 | 18 | - |
| Living Word Baptist Church | North Vernon, IN | 50 | 108 | - |
| Wheatfield Church of Christ | Wheatfield, IN | 50 | 70 | - |
| Jay Creek Amish School | Bryant, IN | 50 | 20 | - |
| Camp Adventure (Asbury) | North Webster, IN | 50 | 79 | - |
| Victory Rock, Inc. | Liberty Millis, IN | 50 | 18 | - |
| Barrington Hills Pool | Warsaw, IN | 50 | 40 | - |
| Lake City Animal Clinic | Warsaw, IN | 50 | 11 | - |
| Naomis Lake Breeze Campground | Mentone, IN | 50 | 67 | - |
| Lake View Springs Rest Stop | Fort Wayne, IN | 50 | 86 | - |
| Rozella Ford Golf Club | Warsaw, IN | 50 | 179 | - |
| Camp Adventure-Lookout Lodge | North Webster, IN | 50 | 81 | - |
| North Winona Church of the Brethren | Leesburg, IN | 50 | 35 | - |
| Lakes Grill Restaurant | Silver Lake, IN | 50 | 74 | - |
| Victory Christian Center | Warsaw, IN | 50 | 27 | - |
| Whispering Wind Amish School | Millersburg, IN | 50 | 6 | - |
| Crooked Creek Outpost | Howe, IN | 50 | 48 | - |
| Caring Hands Care Center | Topeka, IN | 50 | 11 | - |
| East Yoder Amish School | Lagrange, IN | 50 | 40 | - |
| Hebron Fellowship Amish Church/School | Shipshewana, IN | 50 | 115 | - |
| Countryside Amish School | Lagrange, IN | 50 | 29 | - |
| Five Corner Baptist Church | Lagrange, IN | 50 | 190 | - |
| Famous Fish of Stroh | Lagrange, IN | 50 | 152 | - |
| Turtle Cove Lake Estates | Berne, IN | 50 | 65 | - |
| The Harbor | Cedar Lake, IN | 50 | 145 | - |
| Town Club Tavern | Cedar Lake, IN | 50 | 279 | - |
| Southern Lake County Conservation Club | Schneider, IN | 50 | 98 | - |
| Maple Grove UMC | New Carlisle, IN | 50 | 41 | - |
| Hudson Lake Tavern | Rolling Prairie, IN | 50 | 51 | - |
| St. Marys Catholic Church-Old/New Hall | Wanatah, IN | 50 | 62 | - |
| South Emerson Church of God | Indianapolis, IN | 50 | 63 | - |
| Swan Lake Resort-W. Course Restroom | Plymouth, IN | 50 | 53 | - |
| Elks Lodge | Plymouth, IN | 50 | 62 | - |
| Plymouth Bapt Church | Plymouth, IN | 50 | 684 | - |
| Steplers Restaurant | Amboy, IN | 50 | 26 | - |
| Great Lakes Resort | Peru, IN | 50 | 104 | - |
| Great Lakes Resort | Peru, IN | 50 | 87 | - |
| Camp Rotary | Crawfordsville, IN | 50 | 118 | - |
| Hidden Hollow Farm Venue LLC | Crawfordsville, IN | 50 | 90 | - |