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 |
|---|---|---|---|---|
| Geneva City PWS | Geneva, OH | 5,924 | 11 | Clean |
| Golden State Water Company - los Osos | Hawthorne, CA | 5,924 | 0 | Detected |
| Brookville Municipality PWS | Brookville, OH | 5,923 | 54 | Detected |
| Lewistown City Of | Lewistown, MT | 5,923 | 512 | Clean |
| Oelwein Municipal Water Works | Oelwein, IA | 5,920 | 39 | Clean |
| West Robertson Water Authority | Adams, TN | 5,915 | 81 | Clean |
| Chariton Linn County PWSD 3 | Brookfield, MO | 5,913 | 21 | Detected |
| Brentwood Water Association | Glen Alpine, NC | 5,911 | 19 | Clean |
| Manning City of (Sc1410002) | Manning, SC | 5,908 | 31 | Clean |
| Peoria Heights | Peoria Heights, IL | 5,908 | 74 | Detected |
| Dean WSC | Tyler, TX | 5,907 | 11 | Clean |
| City of Fruitland | Fruitland, MD | 5,907 | 12 | Detected |
| Estherville Water Treatment Plant | Estherville, IA | 5,904 | 6 | Clean |
| City of Hutchins | Hutchins, TX | 5,902 | 29 | Detected |
| Aqua PA Chalfont | Bryn Mawr, PA | 5,900 | 116 | Detected |
| Phoenix, City Of | Phoenix, OR | 5,900 | 15 | Clean |
| Nashville, Town Of | Nashville, NC | 5,900 | 840 | Detected |
| Lockwood Water and Sewer District | Billings, MT | 5,900 | 12 | Clean |
| City of Columbia | Columbia, MS | 5,900 | 268 | Clean |
| Charleston PWS | Charleston, MO | 5,900 | 8 | Clean |
| Waynesboro | Waynesboro, GA | 5,900 | 44 | Clean |
| Glen Helen Water System | San Bernardino, CA | 5,900 | 0 | Detected |
| Brazoria County MUD 29 | Houston, TX | 5,898 | 6 | Clean |
| Town of Berwick | Berwick, LA | 5,898 | 14 | Detected |
| Cave Creek Water | Cave Creek, AZ | 5,895 | 258 | Clean |
| Benders Landing Water Plant 1 & 2 | Magnolia, TX | 5,892 | 40 | Clean |
| Harris County MUD 180 | Houston, TX | 5,892 | 12 | Clean |
| Lake Royale S/D | Des Peres, NC | 5,890 | 340 | Detected |
| Minnetrista | Minnetrista, MN | 5,888 | 22 | Clean |
| Mexico Beach, City Of | Mexico Beach, FL | 5,888 | 78 | Detected |
| Harris County Wcid 74 | Houston, TX | 5,886 | 8 | Clean |
| Whitestown South | Whitestown, IN | 5,880 | 71 | Detected |
| Cumberland Mountain Water | Scottsboro, AL | 5,880 | 3 | Detected |
| Marion County Water System | Buena Vista, GA | 5,875 | 84 | Clean |
| Westmoreland Water System | Westmoreland, TN | 5,873 | 26 | Clean |
| Tyler County Sud | Spurger, TX | 5,872 | 44 | Detected |
| Wall Street Water Authority | Tallassee, AL | 5,868 | 6 | Clean |
| Okatoma Water Association #2 | Mount Olive, MS | 5,866 | 776 | Clean |
| Fayetteville Water Authority | Sylacauga, AL | 5,865 | 4 | Clean |
| Gallatin County Water District | Sparta, KY | 5,860 | 316 | Clean |
| City of Slaton | Slaton, TX | 5,858 | 26 | Detected |
| Hilton Village | Hilton, NY | 5,856 | 33 | Detected |
| Lake Providence Water System | Lake Providence, LA | 5,850 | 167 | Clean |
| Buffalo Twp Mun Auth Freeport | Sarver, PA | 5,849 | 425 | Clean |
| Edisto Beach Town of (Sc1510006) | Edisto Island, SC | 5,848 | 29 | Clean |
| North East Township Water | North East, PA | 5,848 | 314 | - |
| Santa Ana River Water Company | Jurupa Valley, CA | 5,848 | 24 | Clean |
| St. Clair Water and Sewer Authority | East China, MI | 5,847 | 0 | Clean |
| Village of Indiantown | Indiantown, FL | 5,847 | 135 | Detected |
| Albion Borough | Albion, PA | 5,842 | 214 | Clean |