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 |
|---|---|---|---|---|
| Nutley Water Dept | Nutley, NJ | 29,500 | 144 | Clean |
| Collinsville | Collinsville, IL | 29,500 | 55 | Detected |
| Marlboro Township Water Utility Division | Marlboro, NJ | 29,480 | 115 | Detected |
| City of Atwater | Atwater, CA | 29,479 | 19 | Detected |
| North Ridgeville City PWS | North Ridgeville, OH | 29,465 | 11 | Clean |
| Ithaca City | Ithaca, NY | 29,457 | 28 | Clean |
| Woodburn, City Of | Woodburn, OR | 29,455 | 156 | Clean |
| Oswego City | Oswego, NY | 29,400 | 14 | Clean |
| Veolia Water PA Inc Bloomsburg | Bloomsburg, PA | 29,382 | 15 | Clean |
| Zanesville PWS | Zanesville, OH | 29,381 | 38 | Detected |
| Albertville, Municipal Ub of the City Of | Albertville, AL | 29,367 | 75 | Detected |
| Melrose Water Division (Mwra) | Melrose, MA | 29,357 | 45 | Clean |
| Florence Water & Sewer | Florence, KY | 29,351 | 34 | Clean |
| Niles | Niles, IL | 29,350 | 23 | Clean |
| City of Fate | Fate, TX | 29,285 | 49 | Detected |
| Stoughton Water Department | Stoughton, MA | 29,281 | 45 | Detected |
| City Corporation | Russellville, AR | 29,260 | 20 | Clean |
| St. Simons Island | Brunswick, GA | 29,249 | 27 | Clean |
| City of Vicksburg | Vicksburg, MS | 29,238 | 107 | Clean |
| Texarkana Water Utilities | Texarkana, AR | 29,233 | 29 | Clean |
| Citrus Co Utl/Charles a. Black | Lecanto, FL | 29,218 | 36 | Detected |
| Edgefield Co W&sa (1920001) | Edgefield, SC | 29,200 | 48 | Clean |
| Zephyrhills City Of | Zephyrhills, FL | 29,117 | 69 | Detected |
| Suisun-Solano Water Authority | Vacaville, CA | 29,105 | 24 | Clean |
| Pechanga | Temecula, 09 | 29,100 | 130 | Detected |
| Lansing | Lansing, IL | 29,076 | 33 | Clean |
| Brookfield Water Utility | Brookfield, WI | 29,070 | 504 | Detected |
| City of Sachse | Sachse, TX | 29,042 | 13 | Detected |
| Bona Vista Water District | Farr West, UT | 29,000 | 90 | Clean |
| Xenia City PWS | Xenia, OH | 29,000 | 45 | Clean |
| Newburgh City | Newburgh, NY | 29,000 | 127 | Clean |
| Lacey Twp Mua | Forked River, NJ | 29,000 | 212 | Clean |
| Dover Water Dept | Dover, NH | 29,000 | 155 | Clean |
| Montgomery | Montgomery, IL | 28,956 | 68 | Clean |
| Port Angeles City Of | Port Angeles, WA | 28,946 | 18 | Clean |
| West Sound Utility District #1 | Port Orchard, WA | 28,928 | 148 | Detected |
| Woodruff Roebuck W/D (4220007) | Woodruff, SC | 28,897 | 35 | Detected |
| Tarpon Springs Water System | Tarpon Springs, FL | 28,875 | 43 | Detected |
| North Attleboro Water Dept | North Attleborough, MA | 28,863 | 146 | Detected |
| Glen Ellyn | Glen Ellyn, IL | 28,850 | 18 | Clean |
| West Springfield Dpw Water Division | West Springfield, MA | 28,835 | 52 | Clean |
| Prichard Water Works Board | Prichard, AL | 28,803 | 163 | Clean |
| Roseburg, City Of | Roseburg, OR | 28,800 | 205 | Clean |
| Sand Springs | Sand Springs, OK | 28,774 | 85 | Clean |
| Chelmsford Water District | Chelmsford, MA | 28,750 | 12 | Detected |
| Hatillo-Camuy | Hatillo, PR | 28,735 | 468 | Clean |
| Dare County Water System | Kill Devil Hills, NC | 28,732 | 19 | Clean |
| Aqua PA Bristol | Bryn Mawr, PA | 28,727 | 92 | Detected |
| North Baldwin Utilities | Bay Minette, AL | 28,713 | 697 | Detected |
| Bluedrop Water Vending N Att Dpw | North Attleborough, MA | 28,712 | 0 | - |