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 |
|---|---|---|---|---|
| Ashland Water & Sewer Board | Ashland, AL | 2,925 | 77 | Clean |
| Mangum PWS | Mangum, OK | 2,924 | 64 | - |
| Wilton Water Supply | Wilton, IA | 2,924 | 15 | - |
| City of Waskom | Waskom, TX | 2,923 | 8 | - |
| Freer Wcid | Freer, TX | 2,923 | 373 | - |
| Magnolia Rural Water Assn | Magnolia, MS | 2,922 | 802 | - |
| Independence Jackson Regional | Bradford, AR | 2,922 | 27 | - |
| Okanogan Water Department City Of | Okanogan, WA | 2,921 | 77 | - |
| Winner | Winner, SD | 2,921 | 37 | - |
| City of Collins | Collins, MS | 2,921 | 827 | - |
| Manor Shopping Center | Phoenix, MD | 2,921 | 137 | Detected |
| St Tammany Water District 3 | Covington, LA | 2,920 | 106 | - |
| Upper Leon River MWD | Comanche, TX | 2,919 | 79 | - |
| Rock County Rural Water System | Luverne, MN | 2,919 | 22 | - |
| Ferdinand Water Department | Ferdinand, IN | 2,918 | 83 | - |
| Robbinsville, Town Of | Robbinsville, NC | 2,916 | 289 | - |
| Lake Delton Waterworks | Lake Delton, WI | 2,914 | 14 | - |
| Bald Knob Waterworks | Bald Knob, AR | 2,911 | 129 | - |
| Brazoria County MUD 53 | Houston, TX | 2,910 | 0 | - |
| West End WSC | Industry, TX | 2,910 | 33 | - |
| Lca North Whitehall Division | Allentown, PA | 2,910 | 31 | Detected |
| Woolmarket Village Estates | Des Peres, MS | 2,910 | 605 | - |
| Lexington Water Works and Sewer | Lexington, AL | 2,910 | 35 | - |
| Erland Point Water Co | Silverdale, WA | 2,909 | 29 | - |
| Reynoldsville Water Auth | Reynoldsville, PA | 2,908 | 109 | - |
| Garrison Quincy Heights Water District | Garrison, KY | 2,908 | 35 | - |
| Welch City Of | Welch, WV | 2,907 | 304 | - |
| Steamboat Rock State Park #1 | Coulee city, WA | 2,907 | 6 | - |
| North Coventry Water System | Pottstown, PA | 2,907 | 132 | - |
| Vicksburg | Vicksburg, MI | 2,906 | 30 | - |
| Onawa Municipal Water Plant | Onawa, IA | 2,906 | 3 | Clean |
| Sun Valley Psd | Reynoldsville, WV | 2,905 | 29 | - |
| Toutle Community Regional Water | Kelso, WA | 2,904 | 17 | - |
| Sutter Community S.D. | Sutter, CA | 2,904 | 13 | - |
| New Cordell Utility Authority | Cordell, OK | 2,903 | 291 | - |
| Jbmdl - Lakehurst | Jb Mdl, NJ | 2,903 | 96 | - |
| North Monroe Water System | Forsyth, GA | 2,903 | 20 | - |
| Sparta | Sparta, GA | 2,903 | 93 | Clean |
| Whitehall | Whitehall, MI | 2,902 | 27 | - |
| Kaufman County MUD 10 | Katy, TX | 2,901 | 4 | - |
| Windmill WSC | Uvalde, TX | 2,900 | 65 | - |
| Galveston County MUD 12 | Houston, TX | 2,900 | 33 | - |
| Boswell Boro Muni Auth | Boswell, PA | 2,900 | 199 | - |
| Muncy Borough Water Company | Muncy, PA | 2,900 | 71 | - |
| Muni Auth of Boro of Matamoras | Matamoras, PA | 2,900 | 493 | - |
| Sci Dallas | Dallas, PA | 2,900 | 507 | - |
| Sands Point (V) | Port Washington, NY | 2,900 | 0 | - |
| Cazenovia Village | Cazenovia, NY | 2,900 | 2 | Clean |
| Lima Village | NY | 2,900 | 13 | - |
| Green Island Village | Village of Green Island, NY | 2,900 | 20 | - |