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 |
|---|---|---|---|---|
| Sundale Mutual Water Company a, B | Lancaster, CA | 1,050 | 70 | - |
| Lost Bridge Vill Wat-Sew Dists | Garfield, AR | 1,050 | 27 | - |
| Jicarilla Nugget Casino | Dulce, 06 | 1,050 | 152 | - |
| Laurinburg-Maxton Airport | Maxton, NC | 1,049 | 614 | - |
| Lyndon, City Of | Lyndon, KS | 1,049 | 19 | - |
| Treynor Water Department | Treynor, IA | 1,049 | 22 | - |
| Forest Lakes MD | Colorado Springs, CO | 1,049 | 20 | - |
| North Bonneville City Of | North Bonneville, WA | 1,048 | 16 | - |
| Richmond Water Dept | Richmond, VT | 1,048 | 50 | Clean |
| Hansonville - Rcpsa | Lebanon, VA | 1,048 | 51 | - |
| McKean Twp Waterworks | Erie, PA | 1,048 | 22 | - |
| Pawc Marcel Lakes | Bushkill, PA | 1,048 | 29 | - |
| Mwcd Charles Mill Lake Park | Navarre, OH | 1,048 | 22 | - |
| Humansville PWS | Humansville, MO | 1,048 | 73 | - |
| Oxford, City Of | Oxford, KS | 1,048 | 11 | - |
| Canon Water System | Canon, GA | 1,048 | 72 | - |
| Beaver Dam WC System 1 | Littlefield, AZ | 1,048 | 92 | - |
| Cypress Lakes Water System | Cleveland, TX | 1,047 | 40 | - |
| Cottage Gardens | Spring, TX | 1,047 | 62 | - |
| Wakeman Village PWS | Wakeman, OH | 1,047 | 174 | - |
| South Central Elementary/JR./SR. High | Union Mills, IN | 1,047 | 51 | - |
| Strawberry Park | Salt Springs, CT | 1,047 | 65 | - |
| Central Hampshire Psd Green Spring | Augusta, WV | 1,046 | 1,684 | - |
| Mosinee East System | Mosinee, WI | 1,046 | 0 | - |
| Ashwood Grove Edgewater | Fond Du Lac, WI | 1,046 | 7 | - |
| Lca Emmaus Consecutive Div | Allentown, PA | 1,046 | 0 | - |
| Malvern Water Supply | Malvern, IA | 1,046 | 134 | - |
| Friendly Village of the Rockies | Thornton, CO | 1,046 | 11 | - |
| California-American Geyserville (Puc) | Sacramento, CA | 1,046 | 1 | Clean |
| Fallsvale Service Company | Forest Falls, CA | 1,046 | 22 | - |
| Los Rios Rancho Water System | Yucaipa, CA | 1,046 | 26 | - |
| McSwain Elementary School | Merced, CA | 1,046 | 11 | - |
| Scenic Beach State Park | Bremerton, WA | 1,045 | 33 | - |
| Loup City, City Of | Loup City, NE | 1,045 | 51 | - |
| Lawrence | Lawrence, MI | 1,045 | 54 | - |
| Maine Water Company Kezar Falls Division | Poland, ME | 1,045 | 15 | - |
| Satanta, City Of | Satanta, KS | 1,045 | 65 | - |
| Ocala Heights S/D | Des Peres, FL | 1,045 | 51 | Detected |
| Twisp Town Of | Twisp, WA | 1,044 | 138 | - |
| Fawn Lake Maintenance Comm | Shelton, WA | 1,044 | 138 | - |
| Meeker Public Works Authority | Meeker, OK | 1,044 | 144 | - |
| Mohawk K-12 School | Sycamore, OH | 1,044 | 114 | - |
| Lake Luzerne State Campsites | Warrensburg, NY | 1,044 | 67 | - |
| Poland Water Association | Echo, LA | 1,044 | 45 | - |
| Altamont, City Of | Altamont, KS | 1,044 | 19 | - |
| Chebanse | Chebanse, IL | 1,044 | 98 | - |
| Genesee City Of | Genesee, ID | 1,044 | 68 | - |
| Featherock MHP | Chicago, FL | 1,044 | 45 | - |
| Wolf Creek Water Authority | Pell City, AL | 1,044 | 8 | - |
| Clay Co Psd-Hartland | Clay, WV | 1,043 | 82 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).