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 |
|---|---|---|---|---|
| Dunkin - North Dover | Dover, DE | 550 | 0 | - |
| Bridgeville Mall (Tui) | Dover, DE | 550 | 2 | - |
| Preston Plains Water Company | Mashantucket, CT | 550 | 120 | - |
| Bethany Community School | Bethany, CT | 550 | 0 | - |
| Maroon Lake | Glenwood Springs, CO | 550 | 38 | - |
| Bar D Chuckwagon | Durango, CO | 550 | 2 | - |
| Conifer WA | Lakewood, CO | 550 | 14 | - |
| Rio School Dist/ Rio Real School | Oxnard, CA | 550 | 12 | - |
| Patterson Tract Csd | Visalia, CA | 550 | 40 | Clean |
| Vineyard RV Park | Vacaville, CA | 550 | 3 | - |
| Santa Cruz County Fairgrounds | Watsonville, CA | 550 | 14 | - |
| San Vicente Water Company | Santa Barbara, CA | 550 | 48 | - |
| Dierberg/Star Lane Vineyard | Santa Ynez, CA | 550 | 0 | - |
| Mission Oaks Mobile Home Park | San Jose, CA | 550 | 14 | - |
| Pacific Scientific Energetic Mats. Comp. | Hollister, CA | 550 | 11 | - |
| Hughes-Elizabeth Lake Unified School Dis | Lake Hughes, CA | 550 | 5 | - |
| Landale Mutual Water Company | Lancaster, CA | 550 | 8 | - |
| Harbor View Mutual Water Company | Kelseyville, CA | 550 | 73 | - |
| El Tejon Middle School | Lebec, CA | 550 | 11 | - |
| Meadows Union Elementary School | El Centro, CA | 550 | 41 | Clean |
| Usfs Cnf Sabino Canyon Stop 8 | Tucson, AZ | 550 | 5 | - |
| Gaston S White River Resort | Lakeview, AR | 550 | 43 | - |
| Albemarle Corporation South | Magnolia, AR | 550 | 9 | - |
| Emmet Waterworks | Emmet, AR | 550 | 25 | - |
| Msbsd Redington JR/SR High School | Wasilla, AK | 550 | 15 | - |
| Blueberries | Wapato, 10 | 550 | 7 | - |
| Fort Wingate Community | Washington, 09 | 550 | 67 | - |
| New Auburn Waterworks | New Auburn, WI | 549 | 174 | - |
| Beacon Rock State Park Boat Launch | Stevenson, WA | 549 | 6 | - |
| Foxhall | Tacoma, WA | 549 | 4 | - |
| Pelican Isle Water System | Des Peres, TX | 549 | 19 | - |
| Roman Forest PUD 3 | New Caney, TX | 549 | 113 | - |
| Lakewood Water West | Corsicana, TX | 549 | 20 | - |
| Harris County MUD 569 | Houston, TX | 549 | 0 | - |
| Mobile Home Estates | Austin, TX | 549 | 3 | - |
| City of Kirvin | Kirvin, TX | 549 | 235 | - |
| Liberty Valley Elem School | Danville, PA | 549 | 104 | - |
| Avon Grove Charter School | West Grove, PA | 549 | 128 | - |
| Penasco Mdwca | Penasco, NM | 549 | 80 | - |
| Wauneta, Village Of | Wauneta, NE | 549 | 156 | - |
| Nottingham Forest S/D | Cary, NC | 549 | 52 | - |
| Harbor View S/D | Cary, NC | 549 | 6 | - |
| Town of Mayersville | Mayersville, MS | 549 | 947 | - |
| Noble Water System | Noble, LA | 549 | 391 | - |
| Magnolia-Windy Meadows | Des Peres, LA | 549 | 37 | - |
| Magnolia-Wildwood South | Des Peres, LA | 549 | 281 | - |
| Route 22 Petroleum | Marion, IN | 549 | 142 | - |
| Siskiyou Lake Highlands MWC | Mt. Shasta, CA | 549 | 5 | - |
| Clayton Palms Water | Clayton, CA | 549 | 7 | - |
| The Colonies | New Kent, VA | 548 | 3 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).