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 |
|---|---|---|---|---|
| Cowen Psd | Cowen, WV | 3,098 | 557 | Clean |
| Ithaca, City Of | Ithaca, MI | 3,098 | 62 | - |
| Belchertown Water District | Belchertown, MA | 3,098 | 26 | Clean |
| Santuck Hebron Water Co (4420007) | Carlisle, SC | 3,097 | 34 | - |
| Homer Township | Midland, MI | 3,097 | 16 | - |
| Aquarion-Litchfield Regional | Shelton, CT | 3,097 | 12 | Clean |
| Woodcreek Utility Co 2 | Austin, TX | 3,096 | 207 | - |
| Animas WC | Durango, CO | 3,096 | 19 | - |
| Napavine City Of | Napavine, WA | 3,095 | 57 | - |
| Home Gardens County WD | Corona, CA | 3,095 | 176 | - |
| One Five O WSC | Coldspring, TX | 3,094 | 6 | - |
| Uscg Station Kodiak | Kodiak, AK | 3,092 | 381 | - |
| Desert Foothills | Bullhead City, AZ | 3,091 | 47 | - |
| Denton County Fwsd 8-B | Houston, TX | 3,090 | 21 | - |
| Madrid Water Department | Madrid, IA | 3,090 | 18 | - |
| Willow Grove Mill | Middletown, DE | 3,090 | 0 | - |
| City of Needville | Needville, TX | 3,089 | 18 | Clean |
| North Tallahatchie W/A | Enid, MS | 3,089 | 572 | Clean |
| Northport VA Hospital | Northport, NY | 3,088 | 221 | - |
| Baybrook MUD 1 | Houston, TX | 3,087 | 198 | - |
| Olympic Water & Sewer Inc | Port Ludlow, WA | 3,086 | 11 | - |
| Brocton Portland Water District | Brocton, NY | 3,086 | 5 | - |
| Ashland, City Of | Ashland, NE | 3,086 | 35 | - |
| Mount Morris, City Of | Mt Morris, MI | 3,086 | 20 | Clean |
| National Beef Packing Co LLC Liberal | Kansas City, KS | 3,086 | 46 | - |
| Eastpoint Water ; Sewer Dist. | Eastpoint, FL | 3,085 | 69 | - |
| Lakeside Wcid 2-C | Austin, TX | 3,084 | 0 | - |
| Wood Trace MUD 1 | Houston, TX | 3,084 | 4 | - |
| Buffalo PWS | Buffalo, MO | 3,084 | 56 | - |
| Gosnell Water Association | Gosnell, AR | 3,083 | 10 | - |
| Pine Twp Water Distr System | Grove City, PA | 3,082 | 60 | - |
| West Newbury Water Department | West Newbury, MA | 3,080 | 11 | Clean |
| Windemere Utility | Tampa, FL | 3,080 | 33 | - |
| City of Anson | Anson, TX | 3,078 | 94 | - |
| Jamestown Water Dept | Jamestown, TN | 3,078 | 114 | Clean |
| West Winnsboro Water System | Gilbert, LA | 3,078 | 24 | - |
| Tri-County Conservancy District | Camby, IN | 3,078 | 14 | - |
| Fair Haven Water Dept | Fair Haven, VT | 3,076 | 68 | - |
| Collinwood Water Dept | Collinwood, TN | 3,076 | 339 | - |
| Buckner PWS | Buckner, MO | 3,076 | 21 | - |
| Briarcreek Subdivision | Austin, TX | 3,075 | 35 | - |
| Momence | Momence, IL | 3,075 | 39 | - |
| Valley Head Water Works Board | Valley Head, AL | 3,075 | 9 | - |
| Pembroke, Town Of | Pembroke, NC | 3,073 | 82 | - |
| Furlow Public Water Authority | Cabot, AR | 3,073 | 4 | - |
| Christopher | Christopher, IL | 3,072 | 90 | - |
| Devils Tower National Monument | Devils Tower, WY | 3,071 | 6 | - |
| Concord Water & Sewer Pfb of Crawford Co | Van Buren, AR | 3,071 | 91 | - |
| City of Ferris | Ferris, TX | 3,070 | 95 | - |
| Silver Springs Mutual Water Company | Silver Springs, NV | 3,070 | 695 | - |