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 |
|---|---|---|---|---|
| Heber Springs Water System | Heber Springs, AR | 14,015 | 9 | Clean |
| Wood Dale | Wood Dale, IL | 14,012 | 12 | Clean |
| Pequannock Twp Water Department | Pompton Plains, NJ | 14,010 | 291 | Clean |
| Hillsborough, Town Of | Hillsborough, NC | 14,006 | 229 | Clean |
| Whitewater Waterworks | Whitewater, WI | 14,000 | 135 | Clean |
| Barre City Water System | Barre, VT | 14,000 | 48 | Clean |
| Mapleton City | Mapleton, UT | 14,000 | 712 | Clean |
| Nueces County Wcid 3 | Robstown, TX | 14,000 | 113 | Detected |
| Box Elder | Box Elder, SD | 14,000 | 330 | Clean |
| Clearfield Municipal Auth | Clearfield, PA | 14,000 | 134 | Detected |
| Emmaus Borough Public Water | Emmaus, PA | 14,000 | 319 | Detected |
| Glens Falls City | Glens Falls, NY | 14,000 | 202 | Detected |
| United Wappinger Water Improvement Dist. | Wappingers Falls, NY | 14,000 | 10 | Detected |
| Rockaway Twp Water Dept | Rockaway, NJ | 14,000 | 234 | Detected |
| Manasquan Water Departme | Mansquan, NJ | 14,000 | 48 | Clean |
| Highland Park W Dept | Highland Park, NJ | 14,000 | 23 | Detected |
| Seabrook Water Dept | Seabrook, NH | 14,000 | 1,029 | Detected |
| Lincoln County PWSD 1 | Winfield, MO | 14,000 | 117 | Clean |
| City of Havre de Grace | Havre de Grace, MD | 14,000 | 126 | Clean |
| City of Bogalusa Water System | Bogalusa, LA | 14,000 | 79 | Clean |
| Bedford City Utilities | Bedford, IN | 14,000 | 149 | Clean |
| Star Sewer and Water Dist Water System | Star, ID | 14,000 | 30 | Clean |
| Fairburn | Fairburn, GA | 14,000 | 40 | - |
| Tract 180 Mutual Water Co. | Cudahy, CA | 14,000 | 73 | Detected |
| Jefferson Co W and S District - M | Steubenville, OH | 13,983 | 49 | Detected |
| Ashtabula County Water System | Jefferson, OH | 13,972 | 18 | Clean |
| Hcwrd/Seaboard Utilities | Tampa, FL | 13,958 | 21 | Detected |
| McPherson, City Of | McPherson, KS | 13,944 | 16 | Clean |
| Sugarmill Woods S/D | Lecanto, FL | 13,935 | 40 | Clean |
| Wixom, City Of | Wixom, MI | 13,928 | 7 | Clean |
| Circleville City PWS | Circleville, OH | 13,927 | 36 | Clean |
| Fort Bend County MUD 25 | Richmond, TX | 13,923 | 15 | Clean |
| Lincoln, City Of | Lincoln, AL | 13,923 | 221 | Detected |
| Poweshiek Water Association | Tama, IA | 13,920 | 60 | Clean |
| Chowchilla City Water Dept | Chowchilla, CA | 13,916 | 23 | Detected |
| Fayetteville Public Utilities | Fayetteville, TN | 13,908 | 37 | Clean |
| Atascosa Rural WSC | Atascosa, TX | 13,905 | 123 | Clean |
| Laurens Cpw (Sc3010001) | Laurens, SC | 13,902 | 40 | Detected |
| Suburban East Salem WD | Salem, OR | 13,900 | 19 | Clean |
| Triunfo Water & Sanitation District | Westlake Village, CA | 13,898 | 11 | Clean |
| Marshall | Marshall, MN | 13,890 | 2 | Detected |
| Woodmen Hills MD | Falcon, CO | 13,888 | 129 | Clean |
| Anson County Water System | Wadesboro, NC | 13,880 | 725 | Detected |
| Tellico Village P.O.A. | Loudon, TN | 13,870 | 55 | Clean |
| Meadowhill Regional MUD | Houston, TX | 13,863 | 25 | Clean |
| Cotto Laurel | Ponce, PR | 13,860 | 475 | Clean |
| City of Baker Water System | Baker, LA | 13,855 | 55 | Clean |
| Harris County Wcid 21 | Channelview, TX | 13,845 | 38 | Detected |
| Ashley Valley Water and Sewer ID | Tridell, UT | 13,835 | 142 | Clean |
| Sauk Rapids | Sauk Rapids, MN | 13,835 | 12 | Detected |