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 |
|---|---|---|---|---|
| Statham | Statham, GA | 3,986 | 76 | Detected |
| King George Co. Courthouse | King George, VA | 3,985 | 209 | Clean |
| Northampton--Lake Gaston | Jackson, NC | 3,984 | 306 | Detected |
| Laurel Water Department | Laurel, DE | 3,984 | 14 | Clean |
| Wartrace Water System | Wartrace, TN | 3,983 | 150 | Detected |
| Harris County MUD 183 | Houston, TX | 3,981 | 8 | Detected |
| Okatoma Water Association #1 | Mount Olive, MS | 3,981 | 539 | - |
| Grand Rivers Water System | Grand Rivers, KY | 3,980 | 59 | Detected |
| City of Sweeny | Sweeny, TX | 3,978 | 65 | Clean |
| Long Creek Water Assn #2 | Meridian, MS | 3,977 | 698 | Clean |
| North East Central Pwd | Edwardsville, IL | 3,975 | 25 | Detected |
| Weaverville C.s.d. | Weaverville, CA | 3,975 | 6 | Detected |
| Warner Springs Ranch Resort LLC | San Diego, CA | 3,972 | 40 | - |
| Nowata Municipal Authority | Nowata, OK | 3,971 | 358 | Detected |
| Shelby City Of | Shelby, MT | 3,970 | 59 | Clean |
| Golden Shores Water Company | Williams, AZ | 3,970 | 360 | Clean |
| Highfill Water Department | Highfall, AR | 3,970 | 69 | - |
| Fort Bend County MUD 48 | Houston, TX | 3,969 | 9 | Clean |
| Adoc Eyman Unit | Phoenix, AZ | 3,969 | 865 | Clean |
| Kingston Water District | West Kingston, RI | 3,968 | 317 | Detected |
| Ravencliff McGraws Saulsville Psd | Glen Fork, WV | 3,967 | 120 | - |
| G T & Y Water District Inc | Grenada, MS | 3,965 | 1,140 | Clean |
| Tpwd Palo Duro Canyon State Park | Austin, TX | 3,964 | 88 | - |
| Belleville | Belleville, MI | 3,964 | 35 | Clean |
| Brandon Fire District 1 | Brandon, VT | 3,963 | 198 | Clean |
| New Oxford Munci Auth | New Oxford, PA | 3,963 | 512 | Detected |
| Highland Water Authority | Gadsden, AL | 3,963 | 98 | Detected |
| Centerville | Centerville, MN | 3,962 | 9 | Detected |
| Cypress Klein Utility District Wimbleton | Houston, TX | 3,960 | 12 | Clean |
| Veolia Water New Jersey Lambertville | Lambertville, NJ | 3,960 | 28 | Clean |
| Camdenton PWS | Camdenton, MO | 3,960 | 51 | Detected |
| Dow USA, la Division | Plaquemine, LA | 3,960 | 19 | Clean |
| Coal Valley Pwd | Marion, IL | 3,960 | 23 | Clean |
| Keshena | Keshena, 05 | 3,960 | 37 | Clean |
| Norton, City Of | Norton, VA | 3,958 | 54 | Clean |
| Hamilton County Water District | McLeansboro, IL | 3,958 | 19 | Detected |
| Town of Arnaudville Water System | Arnaudville, LA | 3,957 | 47 | Clean |
| North Hutchinson Island | Ft. Pierce, FL | 3,954 | 50 | Detected |
| Coquille, City Of | Coquille, OR | 3,953 | 265 | Clean |
| City of Flowood - Noranco | Flowood, MS | 3,952 | 472 | Clean |
| Rosemont | Rosemont, IL | 3,952 | 11 | Clean |
| Lamar Cisd Hs & Jh 3 | Rosenberg, TX | 3,950 | 56 | Clean |
| Richland Town PWS | Pulaski, NY | 3,950 | 0 | Clean |
| Crownpoint-Littlewater-Three Mile Point NTUA | Ft Defiance, NN | 3,950 | 84 | Clean |
| Wingate, Town Of | Wingate, NC | 3,950 | 139 | Detected |
| MS State Hospital-Whitfield | Whitfield, MS | 3,950 | 723 | Clean |
| Suwannee Correctional Institute | Live Oak, FL | 3,950 | 13 | Clean |
| Golden Valley Improvement District | Kingman, AZ | 3,950 | 111 | Clean |
| Baden Boro Water Dept | Baden, PA | 3,948 | 214 | Clean |
| Umatilla Water Works (2 Wps) | Umatilla, FL | 3,948 | 51 | Clean |