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 |
|---|---|---|---|---|
| Picacho Mdwca | Las Cruces, NM | 847 | 18 | - |
| Town of Sherman | Sherman, MS | 847 | 520 | - |
| Humphreys Co W/a #6-Gooden Lak | Belzoni, MS | 847 | 274 | - |
| Hampshire Regional High School | Westhampton, MA | 847 | 7 | - |
| Villagebrook | Bear, DE | 847 | 0 | - |
| Fishhook Park | Prescott, WA | 846 | 44 | - |
| Orleans Water System | Orleans, VT | 846 | 43 | - |
| City of Rankin | Rankin, TX | 846 | 140 | - |
| Chatt WSC | Crawford, TX | 846 | 73 | - |
| Town of Indian Lake | Los Fresnos, TX | 846 | 131 | - |
| Pleasantville Borough Water | Pleasantville, PA | 846 | 58 | - |
| Southern Middle School | Greensboro, NC | 846 | 38 | Detected |
| Christian Life Center | Missoula, MT | 846 | 165 | - |
| Saint Clair | St. Clair, MN | 846 | 6 | Clean |
| Town of Woodsboro | Woodsboro, MD | 846 | 75 | - |
| Wakefield, City Of | Wakefield, KS | 846 | 55 | - |
| Albany | Albany, IL | 846 | 115 | - |
| Cissna Park | Cissna Park, IL | 846 | 41 | - |
| Greenleaf City Of | Greenleaf, ID | 846 | 52 | - |
| East Marion Elementary School | Ocala, FL | 846 | 44 | - |
| Slaughter Beach PWS | Newark, DE | 846 | 4 | - |
| Red Level Water Works | Red Level, AL | 846 | 51 | - |
| Selawik Safewater Facility | Selawik, AK | 846 | 2,153 | - |
| McDonalds Restaurant Poynette | Poynette, WI | 845 | 237 | - |
| McClure Municipal Authority | McClure, PA | 845 | 281 | - |
| Scioto Water Inc. - Pond Run | Franklin Furnace, OH | 845 | 5 | - |
| Hancock | Hancock, MN | 845 | 8 | - |
| Presque Isle Harbor Water Co. | Waymart, MI | 845 | 24 | - |
| Hanaford | Logan, IL | 845 | 8 | - |
| Readlyn Water Supply | Readlyn, IA | 845 | 7 | - |
| Leon Co. Regional System South | Quincy, FL | 845 | 15 | - |
| Los Prietos Complex | Solvang, CA | 845 | 13 | - |
| Deer Lodge Water System | Lake Arrowhead Ca 92352, CA | 845 | 4 | - |
| Pendleton-Pea Ridge Water Assn | Dumas, AR | 845 | 32 | - |
| Parkin Waterworks | Parkin, AR | 845 | 129 | - |
| Mescalero Goat Summit | 06 | 845 | 28 | - |
| Necedah Waterworks | Necedah, WI | 844 | 42 | - |
| Tropical Harbor Estates | Lake Placid, FL | 844 | 15 | - |
| San Lazaro Mfctd Housing Community | Lafayette, CO | 844 | 479 | - |
| Tahoe City PUD - McKinney/Quail | Tahoe City, CA | 844 | 2 | - |
| Fox Park Subdivision | Gillette, WY | 843 | 8 | - |
| WY DOT-Bitter Creek East Ra | Rock Springs, WY | 843 | 1 | - |
| Virginia Hills PA LLC | Farmington Hills, PA | 843 | 0 | - |
| Cadyville Water District | Plattsburgh, NY | 843 | 7 | - |
| Harrellsville, Town Of | Harrellsville, NC | 843 | 114 | - |
| Annawan | Peru, IL | 843 | 42 | - |
| Hardin County Water District No.1 | Cave-IN-Rock, IL | 843 | 337 | - |
| Kootenai County Water Dist 1 | Coeur D'alene, ID | 843 | 123 | - |
| Gem State - Spirit Lake East | Coeur D'alene, ID | 843 | 34 | - |
| Columbine Lakes HOA | Littleton, CO | 843 | 4 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).