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 |
| Ray Bird Ministries - Bathhouse | South Bend, IN | 60 | 8 | - |
| Jaworskis Market | South Bend, IN | 60 | 30 | - |
| Coffman Office Building | Sarasota, IN | 60 | 31 | - |
| Traditions Grill | Angola, IN | 60 | 48 | - |
| Wake Riders | Fort Wright, IN | 60 | 23 | - |
| Roadworks Mfg., Inc. | Lafayette, IN | 60 | 54 | - |
| Americus Pizza King | Delphi, IN | 60 | 66 | - |
| Camp Sycamore Valley New Building | Lafayette, IN | 60 | 10 | - |
| Pine Creek UMC - Family Camp | Pine Village, IN | 60 | 146 | - |
| Zions Lutheran Church | Cambridge City, IN | 60 | 73 | - |
| Stevensons Point Campground | Monticello, IN | 60 | 21 | - |
| Tall Oaks Mobile Home Park | Winamac, IN | 60 | 68 | - |
| Neighbors of Pioneer Crossings, LLC | Lapeer, IN | 60 | 458 | - |
| Roads End Mobile Home Park | Peru, IN | 60 | 58 | - |
| Holston Rentals | Walkerton, IN | 60 | 174 | - |
| Rhoades MHP, LLC | Englewood, IN | 60 | 325 | - |
| Green Stream Company | Elkhart, IN | 59 | 208 | - |
| Kalorama Point, LLC | Leesburg, IN | 59 | 88 | - |
| Martin Marietta - Kentucky Avenue Mine | Carmel, IN | 59 | 46 | - |
| Granger Family Dentistry | Granger, IN | 59 | 17 | - |
| Cardinal Hills Golf Course Inc. | Selma, IN | 58 | 40 | - |
| Christs Corner Ch Early Learning Ministr | Gaston, IN | 58 | 21 | - |
| Dollar General #14167 - New Paris | Goodlettsville, IN | 58 | 22 | - |
| Chubby Trout Inc. | Elkhart, IN | 58 | 0 | - |
| McCloud Nature Park | Danville, IN | 58 | 0 | - |
| Pentad Industries, Inc. | Huntington, IN | 58 | 45 | - |
| Dental Health, Pc - Warsaw | Warsaw, IN | 58 | 4 | - |
| Steel Technologies LLC - New Bldg | Crawfordsville, IN | 58 | 6 | - |
| Fallen Rock RV Parke & Campground | Brazil, IN | 58 | 17 | - |
| Pizza Hut | Wichita, IN | 58 | 15 | - |
| Woodland Village Mobile Home Park | Shelbyville, IN | 58 | 106 | - |
| Mexico Petroleum Inc. | Mexico, IN | 57 | 40 | - |
| Harrisville Christian Church | Union City, IN | 57 | 19 | - |
| Brandywine Creek Vineyards & Winery | Indianapolis, IN | 57 | 156 | - |
| Bass Lake Pub & Ristorante | Knox, IN | 57 | 22 | - |
| Small Craft Boat Club | Evansville, IN | 57 | 45 | - |
| Zionsville MHP Trust | Zionsville, IN | 57 | 513 | - |
| Nameless Creek Christian Church | Charlottesville, IN | 56 | 42 | - |
| Mentone B&k | Warsaw, IN | 56 | 325 | - |
| The River (Pilchers Complex) | North Webster, IN | 56 | 16 | - |
| Kz, Inc. Well #1 | New Paris, IN | 56 | 423 | - |
| The Farmhouse Cafe | Denver, IN | 56 | 95 | - |
| Best Western - Circus City Inn | Peru, IN | 56 | 58 | - |
| Timberland Bible Church | South Bend, IN | 56 | 12 | - |
| Oak Tree Community Church | South Bend, IN | 56 | 13 | - |
| Park Avenue Diner | Terre Haute, IN | 56 | 23 | - |
| Carriage Light MHP - Lots 39-58 | Farmington Hills, IN | 56 | 154 | - |
| Curve Creek Amish School | Berne, IN | 55 | 21 | - |
| Aspy Creek Parochial Amish School | Geneva, IN | 55 | 9 | - |
| Pickle Properties | Saint Joe, IN | 55 | 60 | - |