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 |
|---|---|---|---|---|
| Csu WTP No. 1 | The Villages, FL | 19,699 | 0 | Clean |
| Vc/Southwest Water System | Deland, FL | 19,672 | 57 | Detected |
| Harris County Fwsd 51 | Houston, TX | 19,671 | 11 | Detected |
| Arvin Community Services Dist | Arvin, CA | 19,669 | 331 | Clean |
| Pamlico County Water | Bayboro, NC | 19,665 | 153 | Clean |
| Belle Chasse Water District | Belle Chasse, LA | 19,644 | 67 | Detected |
| Lake Forest | Lake Forest, IL | 19,642 | 33 | Clean |
| Liberal, City Of | Liberal, KS | 19,640 | 61 | Clean |
| Smithtown Water District | Kings Park, NY | 19,635 | 10 | Clean |
| City of Manor | Manor, TX | 19,620 | 32 | Detected |
| Mountain Home Waterworks | Mountain Home, AR | 19,618 | 13 | Clean |
| County Line Sud | Uhland, TX | 19,609 | 26 | Detected |
| Bryant Waterworks | Bryant, AR | 19,607 | 33 | Clean |
| Point Pleasant Water Department | Point Pleasant, NJ | 19,600 | 294 | Detected |
| Poplar Grove Utility District | Munford, TN | 19,599 | 36 | Clean |
| Lexington, City Of | Lexington, NC | 19,595 | 88 | Clean |
| St Marys Area Water Auth | Saint Marys, PA | 19,588 | 483 | Clean |
| Santana | Arecibo, PR | 19,574 | 282 | Clean |
| Altoona Water Supply | Altoona, IA | 19,565 | 124 | Clean |
| California Water Service Co - Westlake | San Jose, CA | 19,533 | 0 | Clean |
| Elk River | Elk River, MN | 19,532 | 15 | Clean |
| West Carteret Water Corp | Newport, NC | 19,512 | 59 | Clean |
| South Burlington City Water System | South Burlington, VT | 19,500 | 2 | Clean |
| Sheppard Air Force Base | Sheppard Afb, TX | 19,500 | 41 | Detected |
| Ambridge Water Auth | Ambridge, PA | 19,500 | 269 | Clean |
| Grand Island Town Water Dept. | Grand Island, NY | 19,500 | 156 | Clean |
| Mattoon | Mattoon, IL | 19,500 | 71 | Detected |
| Savannah Utility Dept | Savannah, TN | 19,495 | 14 | Detected |
| Platte Canyon WSD | Littleton, CO | 19,485 | 0 | - |
| Bolivar Peninsula Sud | Crystal Beach, TX | 19,476 | 55 | Clean |
| Camino Real Regional Utility Authority | Sunland Park, NM | 19,466 | 794 | Clean |
| City of Roma | Roma, TX | 19,464 | 296 | Detected |
| Homewood | Homewood, IL | 19,463 | 22 | Detected |
| Stillwater | Stillwater, MN | 19,462 | 12 | Detected |
| Hopkins | Hopkins, MN | 19,462 | 6 | Detected |
| Hawthorne Water Department | Hawthorne, NJ | 19,458 | 640 | Detected |
| Soledad, City Of | Soledad, CA | 19,455 | 22 | Clean |
| Phelps Vineyards | St. Helena, CA | 19,412 | 14 | - |
| St. Marys | St. Marys, GA | 19,408 | 334 | Clean |
| Los Lunas Water System | Los Lunas, NM | 19,400 | 176 | Clean |
| Maple Shade Water Department | Maple Shade, NJ | 19,400 | 211 | Detected |
| Venetian Palazzo | Las Vegas, NV | 19,387 | 30 | Clean |
| Evans City Of | Evans, CO | 19,369 | 58 | Clean |
| Avon Park, City Of | Avon Park, FL | 19,361 | 43 | Detected |
| University of Rhode Island | Kingston, RI | 19,354 | 198 | Detected |
| Greenbelt Miwa | Clarendon, TX | 19,341 | 148 | - |
| Cimarron MUD | Houston, TX | 19,338 | 3 | Clean |
| Buchanan Co Psa | Vansant, VA | 19,326 | 79 | Clean |
| Winthrop Water Division, (Mwra) | Winthrop, MA | 19,316 | 26 | Clean |
| Joint Base Anacostia - Bolling | Washington, DC | 19,312 | 81 | Detected |