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 |
|---|---|---|---|---|
| Camden Waterworks | Camden, AR | 13,275 | 167 | Clean |
| Wilderness | Madison, VA | 13,274 | 102 | Clean |
| Western Springs | Western Springs, IL | 13,274 | 37 | Clean |
| Marshall Co B.p.u. #1 | Lewisburg, TN | 13,257 | 18 | Detected |
| Dover City PWS | Dover, OH | 13,253 | 99 | Clean |
| Bennington Water Dept | Bennington, VT | 13,250 | 148 | Clean |
| Mounds View | Mounds View, MN | 13,250 | 0 | Clean |
| Bellefontaine City PWS | Bellefontaine, OH | 13,249 | 345 | Detected |
| Robertsdale, City Of | Robertsdale, AL | 13,242 | 527 | Clean |
| Malone V | Malone, NY | 13,232 | 28 | Clean |
| Greenville City PWS | Greenville, OH | 13,227 | 31 | Detected |
| Covington County Water Authority | Andalusia, AL | 13,224 | 74 | Clean |
| Warren Co. Socialville PWS | Lebanon, OH | 13,216 | 4 | Detected |
| City of Bastrop | Bastrop, TX | 13,209 | 145 | Clean |
| Springfield Water Works | Springfield, KY | 13,205 | 58 | Clean |
| College Mound Sud | Terrell, TX | 13,200 | 54 | Detected |
| Boro of Waynesboro | Waynesboro, PA | 13,200 | 477 | Clean |
| Maryland American Water Company | Hopewell, MD | 13,200 | 12 | Detected |
| Lake Utility Services Inc South | Altamonte Springs, FL | 13,198 | 36 | Clean |
| Wayland Water Department | Wayland, MA | 13,196 | 101 | Detected |
| Newport MUD | Houston, TX | 13,191 | 17 | Detected |
| Middleton City Of | Middleton, ID | 13,190 | 81 | Clean |
| Lowndes Co.-North Lowndes Co. WS | Valdosta, GA | 13,190 | 251 | Clean |
| City of Elgin | Elgin, TX | 13,188 | 12 | Clean |
| Pasquotank Co Ro Water System | Elizabeth City, NC | 13,187 | 0 | Clean |
| Saddle Brook Water Dept | Saddle Brook, NJ | 13,155 | 161 | Detected |
| Bedford City PWS | Bedford, OH | 13,149 | 8 | Clean |
| Dupont Water System City Of | DuPont, WA | 13,141 | 5 | Clean |
| Jerome City Of | Jerome, ID | 13,135 | 30 | Clean |
| North Saint Paul | North St. Paul, MN | 13,134 | 16 | Detected |
| JBLM McChord Field | Joint Base Lewis-McChord, WA | 13,115 | 343 | Detected |
| Medway Water Department | Medway, MA | 13,115 | 370 | Detected |
| Woods Cross City Water System | Farmington, UT | 13,110 | 57 | Detected |
| City of Holly Hill | Holly Hill, FL | 13,108 | 66 | Clean |
| Cole County PWSD 2 | Jefferson City, MO | 13,107 | 25 | Clean |
| Hazel Crest | Hazel Crest, IL | 13,098 | 35 | Clean |
| Walnut Hill Water Authority | Dadeville, AL | 13,092 | 9 | Clean |
| Ipswich Dpu Water Dept | Ipswich, MA | 13,090 | 75 | Detected |
| Callaway 2 Water District | Fulton, MO | 13,080 | 42 | Clean |
| Aquarion-Valley | Shelton, CT | 13,080 | 26 | Detected |
| Stoughton Waterworks | Stoughton, WI | 13,078 | 10 | Detected |
| Alexander Co Wtr Dist | Hickory, NC | 13,064 | 15 | Clean |
| Whitehall Twp Authority | Whitehall, PA | 13,063 | 369 | Detected |
| Choctaw - Pearl River | Choctaw, 04 | 13,055 | 160 | - |
| Palomar Christian Conference Center | Palomar Mtn Road, CA | 13,050 | 16 | - |
| Big Sandy Water District | Catlettsburg, KY | 13,044 | 193 | Detected |
| East Cullman Water System | Cullman, AL | 13,038 | 41 | Clean |
| Indian Hills Camp | Jamul, CA | 13,032 | 25 | - |
| Marion Waterworks | Marion, AR | 13,032 | 29 | Clean |
| Harris County MUD 168 | Sugar Land, TX | 13,029 | 10 | Clean |