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 |
|---|---|---|---|---|
| Sandy Lake Water Supply | Jonesville, LA | 3,141 | 20 | - |
| Vandalia PWS | Vandalia, MO | 3,140 | 166 | - |
| Corinth Water District | Corinth, KY | 3,139 | 127 | - |
| Ocilla | Ocilla, GA | 3,137 | 18 | - |
| Emc Water System Inc | Elmer, LA | 3,135 | 25 | - |
| Maytown Rest Area | Tacoma, WA | 3,134 | 17 | - |
| Desoto Correctional Inst | Arcadia, FL | 3,134 | 65 | - |
| Amarillo Mutual Water Company | Rosemead, CA | 3,134 | 42 | - |
| Gcwsd Carvers Bay (Sc2220013) | Pawleys Island, SC | 3,133 | 59 | - |
| City of Pinehurst | Orange, TX | 3,131 | 20 | - |
| Gallitzin Boro Water Auth | Gallitzin, PA | 3,130 | 279 | - |
| Tama Water Supply | Tama, IA | 3,130 | 31 | - |
| Harris County Wcid 161 | Houston, TX | 3,129 | 19 | Detected |
| Bad Axe | Bad Axe, MI | 3,129 | 28 | - |
| SW Rankin Water Association #1 | Florence, MS | 3,128 | 608 | Clean |
| Ellsworth Co RWD 1 | Ellsworth, KS | 3,128 | 437 | - |
| Gw Ocotillo Water - Rancho del Sol Lindo | Maricopa, AZ | 3,128 | 39 | - |
| Perryville Utility District | Parsons, TN | 3,127 | 63 | - |
| Snowbasin Resort | Huntsville, UT | 3,125 | 1,492 | - |
| Great Smoky Mtns National Park Hq | Gatlinburg, TN | 3,125 | 21 | - |
| Kelleys Island Village | Kelleys Island, OH | 3,125 | 286 | - |
| Nags Head, Town Of | Nags Head, NC | 3,125 | 39 | - |
| Carlisle Water Department | Carlisle, IN | 3,125 | 53 | - |
| Charlevoix | Charlevoix, MI | 3,124 | 14 | - |
| Highland Water District | Monroe, WA | 3,121 | 5 | - |
| City of Newton | Newton, TX | 3,121 | 57 | - |
| City of Pelican Bay | Azle, TX | 3,120 | 206 | - |
| Terranova West MUD | Houston, TX | 3,120 | 6 | - |
| Slocum WSC | Elkhart, TX | 3,120 | 56 | - |
| Town of Cottonport Water System | Cottonport, LA | 3,120 | 162 | - |
| Knoxville | Knoxville, IL | 3,120 | 332 | - |
| Spanish Lakes Fairways | Port Saint Lucie, FL | 3,120 | 65 | - |
| Grand Canyon West | Peach Springs, 09 | 3,120 | 240 | - |
| City of Shallowater | Shallowater, TX | 3,119 | 121 | - |
| Hartford Municipal Water Works | Hartford, KY | 3,119 | 415 | - |
| Lewisburg Water Works | Lewisburg, KY | 3,119 | 208 | - |
| Minden, City Of | Minden, NE | 3,118 | 21 | - |
| Clare, City Of | Clare, MI | 3,118 | 6 | - |
| Post Oak Sud | Hubbard, TX | 3,117 | 109 | - |
| East Dundee | East Dundee, IL | 3,115 | 11 | - |
| Soperton | Jackson, GA | 3,115 | 21 | - |
| Sherwood Waterworks | Sherwood, WI | 3,114 | 150 | - |
| Fort Bend County MUD 131 | Houston, TX | 3,114 | 5 | - |
| Okemah Utilities Authority | Okemah, OK | 3,113 | 283 | - |
| Elkins Road Psd | Buckhannon, WV | 3,112 | 35 | Clean |
| VA Healthcare System Heinz | Pittsburgh, PA | 3,112 | 11 | - |
| Tri County Rwdd -Moores Chapel | Russellville, AR | 3,112 | 69 | - |
| Paloma Lake MUD 1 | Austin, TX | 3,111 | 6 | - |
| Sturdivant Progress WSC | Mineral Wells, TX | 3,111 | 65 | - |
| City of Henrietta | Henrietta, TX | 3,111 | 230 | - |