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 |
|---|---|---|---|---|
| Fort Bend County MUD 116 Canyon Gate | Houston, TX | 4,833 | 1 | Clean |
| Brazoria County MUD 21 | Houston, TX | 4,833 | 5 | Clean |
| Chalk Hill Sud | Henderson, TX | 4,830 | 22 | Clean |
| Waverly Village | Waverly, NY | 4,830 | 9 | Detected |
| Flagler Beach WTP | Flagler Beach, FL | 4,830 | 92 | Clean |
| Newport Water System | Newport, NC | 4,829 | 110 | Detected |
| East Johnson Co Water Assn | Lamar, AR | 4,828 | 18 | Clean |
| Rose Hill Sud | Terrell, TX | 4,827 | 12 | Detected |
| Pushmataha Co. RWD #3 | Antlers, OK | 4,825 | 861 | Clean |
| Golden WSC | Golden, TX | 4,821 | 4 | Clean |
| Lynnfield Water Dist. (Mwra) | Lynnfield, MA | 4,820 | 14 | Clean |
| Lake Land`or | Rockville, VA | 4,818 | 189 | Detected |
| Town of Woodworth Water System | Woodworth, LA | 4,818 | 52 | Clean |
| Gulf Park | Des Peres, MS | 4,813 | 1,241 | Clean |
| Stephens Regional Sud | Breckenridge, TX | 4,809 | 80 | - |
| Decherd Water Dept | Decherd, TN | 4,809 | 67 | Clean |
| Otis Mdwca | Carlsbad, NM | 4,807 | 257 | Clean |
| Soldotna | Soldotna, AK | 4,807 | 316 | Clean |
| Lawrenceville, Town Of | Lawrenceville, VA | 4,806 | 120 | Clean |
| Los Angeles Cwwd 37-Acton | Alhambra, CA | 4,805 | 0 | Clean |
| Moran State Park-Mountain Lake | Olga, WA | 4,804 | 10 | - |
| Moran State Park - Summit Lake | Olga, WA | 4,803 | 2 | - |
| Booneville Waterworks | Booneville, AR | 4,803 | 32 | Clean |
| Wellington Village PWS | Wellington, OH | 4,802 | 79 | Clean |
| Vinland | Poulsbo, WA | 4,801 | 28 | Clean |
| Murray Co RWD # 1 | Sulphur, OK | 4,800 | 26 | Clean |
| Greene County Eastern Regional PWS | Beavercreek, OH | 4,800 | 2 | Clean |
| Brielle Water Dept | Brielle, NJ | 4,800 | 37 | Detected |
| Higginsville PWS | Higginsville, MO | 4,800 | 42 | Detected |
| West Prairie Water Company | Arthur, IL | 4,800 | 18 | - |
| Savannah Health Services, LLC D/B/a Memo | Savannah, GA | 4,800 | 78 | Clean |
| Calipatria State Prison | Imperial, CA | 4,800 | 10 | Clean |
| Keyser City Of | Keyser, WV | 4,796 | 144 | Clean |
| Pine Knoll Shores | Pine Knoll Shores, NC | 4,795 | 8 | Clean |
| Luray, Town Of | Luray, VA | 4,794 | 28 | Clean |
| Humboldt Municipal Water Dept | Humboldt, IA | 4,792 | 10 | Clean |
| Calcasieu Parish Ww District 7 | Dequincy, LA | 4,791 | 15 | Clean |
| Mountain Grove PWS | Mountain Grove, MO | 4,789 | 95 | Clean |
| Palmer Water District No.1 | Palmer, MA | 4,789 | 29 | Clean |
| Epcor - Lake Havasu | El Mirage, AZ | 4,788 | 99 | Clean |
| Aberdeen Pate Water Company, Inc. | Aurora, IN | 4,787 | 41 | Clean |
| Chesapeake Complex | Pasadena, MD | 4,785 | 8 | Clean |
| Ashley Farms | Belleview, FL | 4,784 | 5 | - |
| Moran State Park-Cascade Lake | Olga, WA | 4,783 | 19 | - |
| Harris County MUD 432 | Houston, TX | 4,782 | 0 | - |
| Rolling Hills Casino | Corning, 09 | 4,782 | 49 | Clean |
| Lutcher Waterworks | Lutcher, LA | 4,781 | 87 | Detected |
| Clay Rural Water System | Wakonda, SD | 4,780 | 12 | Clean |
| Cherokee Village Water Assoc | Cherokee Village, AR | 4,780 | 3 | Clean |
| East Lowndes W/a a East-Old Yorkville | Columbus, MS | 4,778 | 237 | Clean |