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 |
|---|---|---|---|---|
| McWa Genesee | Rochester, NY | 15,577 | 2 | - |
| Watts Bar Utility District | Kingston, TN | 15,571 | 9 | Detected |
| WMATUA Miner Flat | Whiteriver, 09 | 15,570 | 341 | Clean |
| Aqua PA Susquehanna Division | Sayre, PA | 15,569 | 101 | Clean |
| Sjcu-Ponte Vedra WS | St. Augustine, FL | 15,565 | 61 | Clean |
| City of Mineral Wells | Mineral Wells, TX | 15,564 | 28 | Detected |
| Dade City Water Dept | Dade City, FL | 15,561 | 69 | Detected |
| City of Sugar Land - New Territory | Sugar Land, TX | 15,546 | 4 | Clean |
| Durant Utilities Authority | Durant, OK | 15,545 | 56 | Clean |
| Dekalb-Jackson Water Supply District | Ider, AL | 15,531 | 101 | Detected |
| Sumner City Of | Sumner, WA | 15,530 | 107 | Clean |
| Clinton Water Dept | Clinton, MA | 15,530 | 53 | Clean |
| Mgm Grand Hotel and Casino | Las Vegas, NV | 15,500 | 0 | Clean |
| Palos Heights | Palos Heights, IL | 15,500 | 15 | Clean |
| Tequesta PWS, Village Of | Tequesta, FL | 15,500 | 44 | Detected |
| Green Taylor Water District | Grennsburg, KY | 15,497 | 99 | Clean |
| North Lenoir Water Corp | Kinston, NC | 15,494 | 292 | Detected |
| Pike Water, Inc.-Plant PWS | Waverly, OH | 15,487 | 62 | Detected |
| Fairfield County Utilities PWS | Lancaster, OH | 15,486 | 4 | Clean |
| Batavia City | NY | 15,475 | 31 | Detected |
| Rio Linda/Elverta Community Water Dist | Rio Linda, CA | 15,460 | 19 | Detected |
| Northstar C.s.d. | Truckee, CA | 15,452 | 6 | Clean |
| Lebanon PWS | Lebanon, MO | 15,442 | 51 | Clean |
| Huntington Park-City, Water Dept. | Huntington Park, CA | 15,437 | 3 | Detected |
| Jamestown City Of | Jamestown, ND | 15,427 | 13 | Clean |
| Kenmore Village | Kenmore, NY | 15,423 | 10 | Clean |
| Ocean Twp Dept of Utilities | Waretown, NJ | 15,419 | 98 | Clean |
| Yankton | Yankton, SD | 15,411 | 91 | Clean |
| Harris County Fwsd 61 | Houston, TX | 15,400 | 7 | Clean |
| City of Dayton | Dayton, TX | 15,393 | 19 | Clean |
| Eunice Water System (Lawco) | Baton Rouge, LA | 15,393 | 0 | Clean |
| Pvwc-North Arlington | Clifton, NJ | 15,392 | 56 | Detected |
| Grimes Water Supply | Grimes, IA | 15,392 | 40 | Clean |
| Fitzgerald | Fitzgerald, GA | 15,382 | 75 | Detected |
| Brookwood Comm Wtr System | Cary, NC | 15,380 | 1,529 | Detected |
| Brown County Water Utility | Morgantown, IN | 15,368 | 127 | Detected |
| Loma Linda University | Loma Linda, CA | 15,368 | 5 | Detected |
| Middleborough Water Supply | Middleborough, MA | 15,350 | 32 | Detected |
| Conover, City Of | Conover, NC | 15,347 | 2 | Clean |
| Eden, City Of | Eden, NC | 15,332 | 26 | Clean |
| Madison Water Department | Madison, IN | 15,323 | 154 | Detected |
| Fruitland Mutual Water Company | Puyallup, WA | 15,313 | 137 | Detected |
| Ector County Utility District | Odessa, TX | 15,300 | 80 | Detected |
| North Marshall Utilities | Grant, AL | 15,300 | 9 | Detected |
| Stonegate MD | Parker, CO | 15,295 | 283 | Detected |
| PA American Water Berwick | Milton, PA | 15,282 | 32 | Detected |
| Fayetteville | Fayetteville, GA | 15,281 | 36 | Detected |
| Gypsum Town Of | Gypsum, CO | 15,272 | 147 | Clean |
| Mt Joy Boro Auth | Mount Joy, PA | 15,261 | 248 | Detected |
| Orange County Wcid 1 | Vidor, TX | 15,258 | 370 | Detected |