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 141 | Houston, TX | 2,790 | 18 | - |
| Browns Creek W/D (Sc4420002) | Union, SC | 2,790 | 29 | - |
| Lake Shastina C.s.d | Weed, CA | 2,790 | 14 | - |
| Hayti PWS | Hayti, MO | 2,789 | 30 | - |
| O'Connor Tract Co-Operative Water Co. | Palo Alto, CA | 2,789 | 12 | - |
| City of Raymond | Raymond, MS | 2,788 | 874 | - |
| Blair Township | Grawn, MI | 2,788 | 2 | - |
| Mendota Mental Health Inst | Madison, WI | 2,787 | 17 | - |
| Town of Yountville | Yountville, CA | 2,787 | 8 | Clean |
| Healdton | Healdton, OK | 2,785 | 255 | - |
| North Hinds W/a #6-Shepherd Hills | Flora, MS | 2,785 | 294 | - |
| Town of Sallis | Sallis, MS | 2,785 | 1,071 | - |
| Nas Whiting Field | Milton, FL | 2,785 | 14 | - |
| Barnesville | Barnesville, MN | 2,784 | 29 | - |
| Dyer Water Dept | Dyer, TN | 2,783 | 22 | - |
| Johnston Co RWD #3 | Tishomingo, OK | 2,783 | 100 | - |
| Munising | Munising, MI | 2,783 | 38 | - |
| Publix Industrial Center | Lakeland, FL | 2,783 | 44 | - |
| Ingomar Water Association | New Albany, MS | 2,782 | 813 | - |
| City of la Villa | La Villa, TX | 2,781 | 947 | - |
| Lewiston Village | Lewiston, NY | 2,781 | 1 | - |
| Licking PWS | Licking, MO | 2,781 | 47 | - |
| St Marys, City Of | St Marys, KS | 2,781 | 36 | - |
| Nys Thruway - Indian Castle/Iroquois | Syracuse, NY | 2,780 | 286 | - |
| Town of Falkner | Falkner, MS | 2,780 | 873 | - |
| Ripley County PWSD 2 | Doniphan, MO | 2,780 | 52 | - |
| Elkton Water Works | Elkton, KY | 2,780 | 26 | - |
| Delta County MUD | Cooper, TX | 2,778 | 12 | - |
| Arbuckle Public Utility District | Arbuckle, CA | 2,778 | 12 | - |
| Thermopolis, Town Of | Thermopolis, WY | 2,775 | 29 | - |
| Rome Water Utility | Nekoosa, WI | 2,775 | 10 | - |
| North Belt Utility District | Houston, TX | 2,775 | 11 | - |
| Timberlake Improvement District | Houston, TX | 2,775 | 39 | - |
| Calais Water Dept | Winterport, ME | 2,775 | 24 | - |
| McIntosh Co. RWS & Swmd #2 (Onapa) | Checotah, OK | 2,774 | 691 | - |
| Mountain View | Rockville, VA | 2,773 | 0 | - |
| Wilkinsonville Water District | Sutton, MA | 2,773 | 145 | - |
| New Hope Sud | Mineola, TX | 2,772 | 17 | - |
| City of Gunter | Gunter, TX | 2,772 | 16 | - |
| Town of Woodville | Woodville, MS | 2,772 | 353 | - |
| Montpelier City Of | Montpelier, ID | 2,772 | 28 | - |
| North Yuba Water District | Brownsville, CA | 2,772 | 4 | - |
| Pixley Public Util Dist | Pixley, CA | 2,772 | 150 | - |
| Alabama Coushatta #1 (eastside) | 06 | 2,772 | 24 | - |
| Harris County Ud 14 | Houston, TX | 2,769 | 5 | - |
| Grafton Village PWS | Grafton, OH | 2,769 | 526 | - |
| Sharon Water Works | Laurel, MS | 2,769 | 1,066 | - |
| Genoa City Waterworks | Genoa City, WI | 2,766 | 248 | - |
| City of Sonora | Sonora, TX | 2,766 | 82 | - |
| North Runnels WSC | Winters, TX | 2,766 | 237 | - |