Public Water Systems
143,076 active public water systems, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| Libby Christian Church | Libby, MT | 406 | 11 | - |
| Sturgeon Lake | Sturgeon Lake, MN | 406 | 0 | - |
| Cedarwood Estates | Cedar, MN | 406 | 11 | - |
| Colwood Church - Church Addition Well | Caro, MI | 406 | 20 | - |
| Ecj/Bluetriton Brands | Hollis, ME | 406 | 17 | - |
| Hollywood Volunteer Fire Hall | Hollywood, MD | 406 | 7 | - |
| Ez Quick Food Marketand Dunkin Donuts | Wilmington, MD | 406 | 9 | - |
| Bethel Way of the Cross - (Newer Bldg) | Huntingtown, MD | 406 | 0 | - |
| Quiet Waters Park Wells # 1 and # 2 | Annapolis, MD | 406 | 6 | - |
| Springbrook Community Church | Plainfield, IL | 406 | 8 | - |
| Lawler Water Supply | Lawler, IA | 406 | 63 | - |
| The Park at Wolf Branch Oaks | Sorrento, FL | 406 | 11 | - |
| Aquarion-New Fairfield | Shelton, CT | 406 | 114 | - |
| Bethlehem Elementary School/District 14 | Woodbury, CT | 406 | 63 | - |
| Grand Mesa Visitor Center | Delta, CO | 406 | 42 | - |
| Sonoma County CSA 41-Jenner | Santa Rosa, CA | 406 | 70 | - |
| Forest Park MWC | Forest Falls, CA | 406 | 15 | - |
| Volta Community SD | Los Banos, CA | 406 | 9 | - |
| Christian Life Assembly Water System | Tehachapi, CA | 406 | 0 | - |
| Turners Corner | Palmer, AK | 406 | 17 | - |
| Townsite Foodmart | Anchorage, AK | 406 | 19 | - |
| Pryor Water System | Crow Agency, 08 | 406 | 222 | - |
| Petenwell Co Park 9 | Friendship, WI | 405 | 0 | - |
| Erin School | Hartford, WI | 405 | 37 | - |
| Lake Lawn Resort 3 Main Well | Delavan, WI | 405 | 60 | - |
| Welcome Mart | Grafton, WI | 405 | 9 | - |
| Vantage Water System | Vantage, WA | 405 | 27 | - |
| Mt Baker Ski Area Heather Meadows | Bellingham, WA | 405 | 9 | - |
| Mustard Seed | Chehalis, WA | 405 | 28 | - |
| Nelson County - Piney River | Lovingston, VA | 405 | 81 | - |
| Rivers Edge at Deer Park | Heber, UT | 405 | 336 | - |
| Hanna Water & Sewer Improvement District | Tabiona, UT | 405 | 624 | - |
| Bear Paw Water System | Austin, TX | 405 | 3 | - |
| Country Club Greens | Austin, TX | 405 | 4 | - |
| Harris County MUD 211 | Houston, TX | 405 | 5 | - |
| Eagles Peak Ranch WSC | Fischer, TX | 405 | 75 | - |
| Texas 281 RV Park | Bulverde, TX | 405 | 6 | - |
| Gretna Springs | Manheim, PA | 405 | 90 | - |
| Drummond | Drummond, OK | 405 | 66 | - |
| Willshire Village | Willshire, OH | 405 | 765 | - |
| Meadow Pond Elementary School | Katonah, NY | 405 | 85 | - |
| Bath VA Hospital | Bath, NY | 405 | 51 | - |
| Morrisville Eaton Central School | Morrisville, NY | 405 | 9 | - |
| Pendaries RV Resort | Rociada, NM | 405 | 28 | - |
| Vernon Dollar General | Mahwah, NJ | 405 | 5 | - |
| Shenandoah Field | Lakewood, NJ | 405 | 5 | - |
| Valero | West Windsor Twp, NJ | 405 | 79 | - |
| Folsom Elementary School | Folsom, NJ | 405 | 6 | - |
| Lochmere Village Dist | Lochmere, NH | 405 | 480 | - |
| Country Shore Campground | Plaistow, NH | 405 | 4 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).