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 |
|---|---|---|---|---|
| South Blooming Grove Village WD 1 | Blooming Grove, NY | 3,400 | 386 | - |
| Village Dist of Eastman | Grantham, NH | 3,400 | 128 | Clean |
| City of Morton | Morton, MS | 3,400 | 958 | Clean |
| Lutheran General Hospital | Libertyville, IL | 3,400 | 203 | Clean |
| Sun Valley Water and Sewer Dist | Sun Valley, ID | 3,400 | 159 | Clean |
| Groveland Community Serv Dist | Groveland, CA | 3,400 | 18 | Detected |
| Valley Springs Waterworks | Valley Springs, AR | 3,400 | 44 | - |
| Mackinaw | Mackinaw, IL | 3,399 | 21 | Clean |
| Montgomery County Wcid 1 | The Woodlands, TX | 3,396 | 8 | Clean |
| Ricardo WSC | Kingsville, TX | 3,396 | 80 | - |
| City of Poteet | Poteet, TX | 3,396 | 90 | Clean |
| Hartford | Hartford, SD | 3,396 | 33 | - |
| Hot Springs | Hot Springs, SD | 3,395 | 8 | Clean |
| Cherokee Co. RWD #11 | Hulbert, OK | 3,395 | 38 | Detected |
| Frontenac, City Of | Frontenac, KS | 3,395 | 98 | Clean |
| Grant Road PUD | Houston, TX | 3,393 | 5 | - |
| Piedras Blancas | Guayanilla, PR | 3,391 | 50 | Clean |
| Saluda Cpw (Sc4110001) | Saluda, SC | 3,390 | 83 | Detected |
| Royal City Water | Royal City, WA | 3,389 | 61 | - |
| City of Dublin | Dublin, TX | 3,388 | 184 | Detected |
| Corning Waterworks | Corning, AR | 3,388 | 79 | Clean |
| Gibson Co Mun Water Dist #4 | Trenton, TN | 3,386 | 46 | Clean |
| Vc/Spruce Creek WTP-15 | Deland, FL | 3,386 | 61 | Clean |
| Charleston Waterworks | Charleston, AR | 3,386 | 111 | - |
| Greenwood Lake Village | Greenwood Lake, NY | 3,383 | 425 | - |
| Jasper County PWSD 2 | Webb City, MO | 3,383 | 37 | - |
| Hamburg Board of Public | Hamburg, NJ | 3,382 | 344 | Detected |
| Box Springs Mutual WC | Moreno Valley, CA | 3,382 | 16 | - |
| Montgomery County Ud 2 | Houston, TX | 3,381 | 4 | - |
| Hays County Wcid 2 | Austin, TX | 3,381 | 1 | - |
| Zion Canyon Water System | Hurricane, UT | 3,380 | 25 | Clean |
| City of Water Valley | Water Valley, MS | 3,380 | 810 | Clean |
| Montgomery | Montgomery, MN | 3,379 | 18 | - |
| Odrc-Pickaway Correction PWS | Fredricktown, OH | 3,376 | 129 | Clean |
| Rogers Co RWD # 8 | Claremore, OK | 3,375 | 8 | Detected |
| Rushville | East Peoria, IL | 3,375 | 39 | - |
| City of Newton | Newton, MS | 3,373 | 249 | Clean |
| Carlyle | Carlyle, IL | 3,373 | 75 | Clean |
| Bonners Ferry City Of | Bonners Ferry, ID | 3,367 | 40 | - |
| Fort Bend County MUD 122 | Houston, TX | 3,366 | 6 | Detected |
| Tdcj Jester Unit 3 | Huntsville, TX | 3,365 | 45 | Clean |
| Hcs/Strawberry Crest High/Bailey Elem | Tampa, FL | 3,365 | 33 | Detected |
| Milligan WSC | McKinney, TX | 3,364 | 20 | - |
| Cagle-Fredonia U.d. | Dunlap, TN | 3,363 | 22 | - |
| Tahoe City PUD - Tahoe Swiss Village | Tahoe City, CA | 3,363 | 12 | - |
| Webb County Water Dispenser | Laredo, TX | 3,362 | 233 | - |
| Villalba Urbano | Villalba, PR | 3,362 | 273 | - |
| Paw Paw | Paw Paw, MI | 3,362 | 27 | Clean |
| West Haven Ssd | Clinton, UT | 3,360 | 59 | Clean |
| Mayes Co RWD # 5 | Adair, OK | 3,360 | 20 | Clean |