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 |
|---|---|---|---|---|
| Ccwd - Copper Cove | San Andreas, CA | 5,187 | 6 | Clean |
| Bo Nuevo | Bayamon, PR | 5,185 | 160 | Clean |
| Montgomery County MUD 94 | Houston, TX | 5,184 | 8 | Clean |
| Sienna MUD 6 | Houston, TX | 5,184 | 0 | - |
| Harris County MUD 33 | Houston, TX | 5,181 | 25 | Clean |
| Russell Water Company | Russell, KY | 5,181 | 328 | Clean |
| Mid-Ohio WSD Water District 1 | Columbus, OH | 5,176 | 37 | Clean |
| Ashburn | Ashburn, GA | 5,176 | 242 | Clean |
| Macon Electric & Water Dept. | Macon, MS | 5,174 | 961 | Clean |
| Columbus Utilities | Columbus, WI | 5,173 | 151 | Clean |
| Glennville Water System | Glennville, GA | 5,173 | 27 | Detected |
| Tri-County RWD #2 | Earlsboro, OK | 5,172 | 167 | Detected |
| Linq Hotel and Casino | Las Vegas, NV | 5,172 | 12 | Clean |
| Savannah PWS | Savannah, MO | 5,170 | 57 | Clean |
| Kimball Township | Kimball, MI | 5,170 | 72 | Clean |
| Manchester by the Sea Dpw | Manchester by the Sea, MA | 5,170 | 94 | Detected |
| Morganfield Water Works | Morganfield, KY | 5,170 | 113 | Detected |
| Village of Turkey Creek Water System | Turkey Creek, LA | 5,169 | 31 | Clean |
| Town of Bunkie Water System | Bunkie, LA | 5,169 | 11 | Clean |
| South Park Business Center | Indianapolis, IN | 5,167 | 16 | Detected |
| Csu South Campus | Fort Collins, CO | 5,164 | 20 | Clean |
| New Lexington | New Lexington, OH | 5,161 | 147 | Clean |
| City of Buellton Water Division | Buellton, CA | 5,161 | 13 | Clean |
| Camino Real | Magnolia, TX | 5,160 | 0 | - |
| Harris County Wcid 114 | Houston, TX | 5,160 | 25 | Detected |
| Denton County Fwsd 11-A | Houston, TX | 5,160 | 14 | Detected |
| Muleshoe Municipal Water System | Muleshoe, TX | 5,158 | 37 | Clean |
| Trenton Water System | Trenton, TN | 5,155 | 99 | Detected |
| Northeast Henry County U.d. | Springville, TN | 5,155 | 10 | Clean |
| Roxbury Twp W Dept-Shore | Landing, NJ | 5,153 | 200 | Detected |
| City of Broussard Water System | Broussard, LA | 5,151 | 54 | Clean |
| Connell City Of | Connell, WA | 5,150 | 133 | Clean |
| Alexandria Water Department | Alexandria, IN | 5,149 | 70 | Clean |
| Monee | Monee, IL | 5,148 | 265 | Clean |
| Point Pleasant Water Works | Pt. Pleasant, WV | 5,146 | 608 | Detected |
| Princeton | Princeton, MN | 5,146 | 17 | Detected |
| Iowa Falls Water Department | Iowa Falls, IA | 5,146 | 33 | Clean |
| Northfield Water Dept | Northfield, VT | 5,145 | 37 | Clean |
| Old Line Water System | Jackson, AL | 5,145 | 7 | Clean |
| East Pontotoc Water Assn | Pontotoc, MS | 5,141 | 794 | Clean |
| Leesburg/The Plantation | Leesburg, FL | 5,141 | 36 | Clean |
| Junaluska Sanitary District | Clyde, NC | 5,138 | 64 | Clean |
| Henderson Nina Water System Inc | Breaux Bridge, LA | 5,136 | 18 | Clean |
| Musk Co Northside Water System | Muskgon, MI | 5,133 | 7 | Clean |
| Erie Co Margaretta District | Huron, OH | 5,131 | 26 | Clean |
| Crosby MUD | Crosby, TX | 5,130 | 52 | - |
| Berlin Water Control Commission | Berlin, CT | 5,128 | 677 | Detected |
| West Gregg Sud | Kilgore, TX | 5,127 | 23 | Clean |
| Mun Auth of Boro of Bedford | Bedford, PA | 5,127 | 219 | Clean |
| Fruitland Park, City of (3 Wps) | Fruitland Park, FL | 5,127 | 52 | Detected |