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 |
| Arrowhead Mobile Home Park | New Castle, IN | 65 | 32 | - |
| Heartland Resort | Greenfield, IN | 65 | 6 | - |
| Citizens Water of Westfield LLC | Indianapolis, IN | 65 | 10 | - |
| Lippert Components - Howe Division | Middlebury, IN | 64 | 12 | - |
| Indy Tabernaculo International Inc | Indianapolis, IN | 64 | 94 | - |
| Monroe Causeway Campground | Bloomington, IN | 64 | 22 | - |
| Rush Creek Friends Church | Kingman, IN | 64 | 7 | - |
| Hickory Hills Golf Course (Pro Shop) | Farmland, IN | 64 | 66 | - |
| Museums of Prophetstown Dba the Farm | Battle Ground, IN | 64 | 9 | - |
| Hurricane Community Church | Franklin, IN | 63 | 63 | - |
| Clearspring Amish School | Lagrange, IN | 63 | 37 | - |
| Sugar Creek Campground | Crawfordsville, IN | 63 | 100 | - |
| Wilstem Wildlife Park | French Lick, IN | 63 | 53 | - |
| Everwise Credit Union Granger Center | South Bend, IN | 63 | 11 | - |
| Lakeside Management | Carmel, IN | 63 | 17 | - |
| Beechwood Mobile Home Park | Lapeer, IN | 63 | 553 | - |
| Country Moon Winery | Noblesville, IN | 62 | 13 | - |
| County Materials | Greenfield, IN | 62 | 6 | - |
| Dwyers Trailer Park | Warsaw, IN | 62 | 20 | - |
| Wall Lake Tavern | Orland, IN | 62 | 24 | - |
| Harvest Time Church of God | Laporte, IN | 62 | 87 | - |
| Are Enterprises LLC | Peru, IN | 62 | 1 | - |
| Newton County Generation Center | Morocco, IN | 62 | 13 | - |
| Lakeview Christian Center | Michigan City, IN | 62 | 553 | - |
| Bittersweet Medical Association | Elkhart, IN | 62 | 14 | - |
| Bittersweet Road Family Dentists | Granger, IN | 62 | 91 | - |
| Klumpe Family Campground | Attica, IN | 62 | 93 | - |
| Lake View Mobile Home Park | Leesburg, IN | 62 | 324 | - |
| M & K Truck Center | Frankfort, IN | 61 | 42 | - |
| Egg Innovations | Warsaw, IN | 61 | 631 | - |
| Community Baptist Church | Lagrange, IN | 61 | 20 | - |
| Cedar Lake United Methodist Church | Cedar Lake, IN | 61 | 168 | - |
| Zion Baptist Fellowship Church | Martinsville, IN | 61 | 414 | - |
| Raccoon Lakeside Lodge | Rockville, IN | 61 | 565 | - |
| Osceola Dental Care | Osceola, IN | 61 | 39 | - |
| Swiss Haven Campground | Vevay, IN | 61 | 128 | - |
| Kulich Rentals Inc. | Seymour, IN | 61 | 9 | - |
| Prestress Services Industries - Office | Decatur, IN | 60 | 36 | - |
| Blue Creek Amish School | Berne, IN | 60 | 68 | - |
| Antioch Lutheran Church | Monroeville, IN | 60 | 55 | - |
| Columbus Seventh-Day Adventist Church | Columbus, IN | 60 | 20 | - |
| Wildwood Valley Campground | Rossville, IN | 60 | 24 | - |
| Miami Baptist Church | Lucerne, IN | 60 | 110 | - |
| Logansport Golf Club | Logansport, IN | 60 | 126 | - |
| Adm Grain | Logansport, IN | 60 | 111 | - |
| Izaak Walton League - Terre Haute | Terre Haute, IN | 60 | 142 | - |
| Sardinia Baptist Church | Greensburg, IN | 60 | 80 | - |
| Paragon Steel | Butler, IN | 60 | 76 | - |
| Coburn Corners Church of Christ | St. Joe, IN | 60 | 32 | - |
| Agdia, Inc. | Elkhart, IN | 60 | 9 | - |