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 |
|---|---|---|---|---|
| Ocean Isle Beach, Town Of | Ocean Isle Beach, NC | 7,925 | 50 | Detected |
| Brighton Twp Muni Auth | Beaver, PA | 7,920 | 53 | Detected |
| California-American Larkfield (Puc) | Sacramento, CA | 7,913 | 6 | Clean |
| N Garland Co Reg Water Dist | Hot Springs, AR | 7,913 | 65 | Clean |
| Camden County PWSD 4 Horseshoe Bend | Lake Ozark, MO | 7,912 | 104 | Clean |
| Gentry Waterworks | Gentry, AR | 7,910 | 20 | Clean |
| Bangham Utility District | Cookeville, TN | 7,906 | 11 | Clean |
| Three Rivers | Three Rivers, MI | 7,905 | 85 | Detected |
| Salem | Salem, IL | 7,905 | 30 | Clean |
| Model Irrigation Dist #18 | Spokane, WA | 7,903 | 204 | Detected |
| Eloy City Of | Eloy, AZ | 7,903 | 313 | Clean |
| Jonestown WSC | Jonestown, TX | 7,902 | 62 | Detected |
| Tanglewilde Thompson Place 600 | Lacey, WA | 7,900 | 2 | Clean |
| Newcastle | Newcastle, OK | 7,900 | 103 | Detected |
| Fort Detrick | Frederick, MD | 7,900 | 109 | Detected |
| Telluride Town Of | Telluride, CO | 7,900 | 285 | Clean |
| Crossett Water Commission | Crossett, AR | 7,900 | 6 | Clean |
| Pitman Water Department | Pitman, NJ | 7,896 | 144 | Detected |
| St. Johns, City Of | St. Johns, MI | 7,896 | 12 | Clean |
| Metro Lynchburg/Moore Co U.d. #1 | Lynchburg, TN | 7,895 | 100 | Clean |
| IL American-South Beloit | Godfrey, IL | 7,893 | 108 | Detected |
| US 60 Water District | Bagdad, KY | 7,892 | 40 | Clean |
| Northbridge Water Division | Northbridge, MA | 7,889 | 23 | Clean |
| Mount Olive Twp W D Main | Budd Lake, NJ | 7,887 | 599 | Detected |
| Desoto Parish Water Works District 1 | Mansfield, LA | 7,887 | 412 | Detected |
| Union Williams P S D | Waverly, WV | 7,883 | 92 | Detected |
| City of Giddings | Giddings, TX | 7,878 | 23 | Clean |
| Grove City Boro Water Dept | Grove City, PA | 7,871 | 143 | Clean |
| Naval Station, Newport | Newport, RI | 7,870 | 178 | Detected |
| Central Water System | New Kent, VA | 7,864 | 0 | - |
| R C H WSC | Rockwall, TX | 7,863 | 52 | Detected |
| McRae-Helena | McRae Helena, GA | 7,857 | 16 | Clean |
| West Bridgewater Water Dept | West Bridgewater, MA | 7,856 | 110 | Detected |
| Adams Fire District | Adams, MA | 7,851 | 18 | Clean |
| Kirkwood Meadows Public Utility District | Kirkwood, CA | 7,851 | 3 | Clean |
| Fallsburg Who-Ls-Sf | South Fallsburg, NY | 7,850 | 16 | Detected |
| Horseshoe las Vegas Hotel and Casino | Las Vegas, NV | 7,850 | 17 | Clean |
| Canton, Town Of | Canton, NC | 7,850 | 183 | Clean |
| Long Creek Township PWS | Decatur, IL | 7,850 | 22 | Clean |
| Northwest Harris County MUD 9 | Houston, TX | 7,848 | 5 | Clean |
| Broadview | Broadview, IL | 7,847 | 34 | Clean |
| Woodlake, City Of | Woodlake, CA | 7,846 | 41 | Clean |
| West Dundee | West Dundee, IL | 7,845 | 111 | Clean |
| Jackson Waterworks | Jackson, WI | 7,844 | 20 | Clean |
| PA-American Water-Brownsville | McMurry, PA | 7,844 | 53 | Clean |
| TN American - Sequatchie Valley | Chattanooga, TN | 7,842 | 152 | Clean |
| Northwest Harris County MUD 12 | Houston, TX | 7,839 | 12 | Detected |
| City of Pilot Point | Pilot Point, TX | 7,836 | 22 | Clean |
| 439 WSC | Belton, TX | 7,836 | 68 | Detected |
| Bell County Wcid 3 | Nolanville, TX | 7,836 | 31 | Detected |