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 |
|---|---|---|---|---|
| Cumberland Plateau Water Authority | Crossville, TN | 22,673 | 25 | Clean |
| South Feather W&p - Miners Ranch | Oroville, CA | 22,664 | 0 | Clean |
| Falls Water Company Inc | Idaho Falls, ID | 22,650 | 196 | Clean |
| Waynesboro, City Of | Waynesboro, VA | 22,630 | 31 | Clean |
| Highland S & W Auth Beaverdam | Johnstown, PA | 22,617 | 189 | Clean |
| Ada | Ada, OK | 22,600 | 34 | Clean |
| Nas Pensacola / Corry Station | Nas Pensacola, FL | 22,600 | 33 | Detected |
| Burlington Twp W Dept | Burlington, NJ | 22,594 | 28 | Detected |
| St John's Water (Sc1020002) | Johns Island, SC | 22,592 | 19 | Detected |
| Franklin Water Utility | Franklin, WI | 22,500 | 200 | Clean |
| Kirtland Air Force Base | Albuquerque, NM | 22,500 | 296 | Clean |
| Bourne Water District | Pocasset, MA | 22,500 | 39 | Detected |
| Yukon | Yukon, OK | 22,498 | 40 | Clean |
| Wilmington Water Dept | Wilmington, MA | 22,481 | 65 | Detected |
| Ruston Water System | Ruston, LA | 22,468 | 19 | Clean |
| Muscle Shoals Utility Board | Muscle Shoals, AL | 22,467 | 69 | Detected |
| Canton Water Dept | Canton, MA | 22,453 | 38 | Detected |
| Kingsland | Kingsland, GA | 22,448 | 64 | Clean |
| Hamtramck | Clinton, MI | 22,413 | 39 | Clean |
| Beaufort Co Northside Regional Water | Washington, NC | 22,405 | 16 | Clean |
| Richmond County Water System | Rockingham, NC | 22,387 | 163 | Detected |
| On Top of the World | Ocala, FL | 22,383 | 10 | Detected |
| Menlo Park Municipal Water | Menlo Park, CA | 22,362 | 3 | Clean |
| PA American Water Co-Indiana D | New Castle, PA | 22,360 | 10 | Clean |
| Veolia Water Wakefield Rhode Island Inc | Wakefield, RI | 22,347 | 86 | Clean |
| McHenry | McHenry, IL | 22,335 | 101 | Detected |
| Coralville Muni Water System | Coralville, IA | 22,318 | 198 | Clean |
| Niskayuna Consolidated WD #11 | Niskayuna, NY | 22,287 | 49 | Clean |
| Taylorsville Water Works | Taylorsville, KY | 22,286 | 46 | Detected |
| East Peoria | East Peoria, IL | 22,284 | 40 | Detected |
| Newburgh Consolidated WD | Newburgh, NY | 22,282 | 1,884 | Detected |
| Columbia Heights | Columbia Heights, MN | 22,278 | 13 | Detected |
| Villa Park | Villa Park, IL | 22,263 | 41 | Clean |
| City of Gautier | Gautier, MS | 22,253 | 796 | Clean |
| Provincetown Water Department | Provincetown, MA | 22,250 | 29 | Clean |
| Hartselle Utility Board | Hartselle, AL | 22,233 | 74 | Detected |
| Alliance City PWS | Alliance, OH | 22,232 | 115 | Detected |
| Indiana American Water - Newburgh | Newburgh, IN | 22,215 | 0 | Clean |
| Vestal Consolidated W.D. #1 | Vestal, NY | 22,200 | 33 | Detected |
| Hialeah Gardens | Hialeah Gardens, FL | 22,200 | 18 | Detected |
| Scottsboro Water Works | Scottsboro, AL | 22,200 | 14 | Detected |
| Laporte Water Works | Laporte, IN | 22,197 | 10 | Detected |
| Ventnor City Water & Sewer Utility | Ventor City, NJ | 22,150 | 133 | Clean |
| Del City | Del City, OK | 22,128 | 19 | Detected |
| Columbia/Adair Utilities District | Campbellsville, KY | 22,113 | 55 | Clean |
| Carbondale | Carbondale, IL | 22,107 | 42 | Clean |
| Ferndale | Ferndale, MI | 22,105 | 12 | Clean |
| Community WC of Green Valley | Green Valley, AZ | 22,085 | 264 | Clean |
| Kennebec Water District | Waterville, ME | 22,060 | 46 | Detected |
| Pico WD | Pico Rivera, CA | 22,051 | 50 | Detected |