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 |
|---|---|---|---|---|
| Rmnp Headquarters East | Estes Park, CO | 900 | 21 | - |
| Garden Valley | Colorado Springs, CO | 900 | 556 | - |
| Nps-Dorst Cg | Three Rivers, CA | 900 | 6 | - |
| Windset Farms Greenhouses | Santa Maria, CA | 900 | 12 | - |
| Fern Valley WD | Idyllwild, CA | 900 | 22 | - |
| Bud Antle, LLC-Soledad Facility WS | Monterey, CA | 900 | 32 | - |
| Frito-Lay, Inc. Water System | Bakersfield, CA | 900 | 5 | - |
| Casa Loma Water Co, Inc. | Bakersfield, CA | 900 | 40 | - |
| Usfs/Dorabelle Campground | Clovis, CA | 900 | 14 | - |
| Valley Springs PUD | Valley Springs, CA | 900 | 10 | - |
| Adot Mohawk Ra | Phoenix, AZ | 900 | 67 | - |
| Rancho del Conejo Comm Water Coop | Tucson, AZ | 900 | 275 | - |
| Usfs Asnf Woods Canyon - Aspen Camp Area | Overgaard, AZ | 900 | 63 | - |
| Mc Neil Rural Water Assoc | Mc Neil, AR | 900 | 86 | - |
| Western Grove Municipal Water | Western Grove, AR | 900 | 19 | - |
| Thornton Waterworks | Thornton, AR | 900 | 9 | - |
| Newville Water System | Newville, AL | 900 | 17 | - |
| White Swan | Toppenish, 10 | 900 | 647 | - |
| Bie Chemawa Indian School | Washington, 10 | 900 | 56 | - |
| Wingate High School - BIE | Window Rock, 09 | 900 | 77 | - |
| Roosevelt Park | Rufus, WA | 899 | 8 | - |
| Northumberland Middle/High School | Lottsburg, VA | 899 | 6 | - |
| Hazelton City Of | Hazelton, ID | 899 | 15 | - |
| Bow Mar WSD | Littleton, CO | 899 | 0 | - |
| Rancho Pauma Mutual WC | Pauma Valley, CA | 899 | 26 | - |
| Rotten Robbie | Santa Clara, CA | 899 | 4 | - |
| Brakebush Bros Inc | Westfield, WI | 898 | 14 | - |
| Genoa, City Of | Genoa, NE | 898 | 34 | - |
| So. Sunflower W/A-Inverness | Inverness, MS | 898 | 54 | - |
| Parks Utilities | Des Peres, MS | 898 | 421 | - |
| Boyle-Skene Water Assn | Boyle, MS | 898 | 287 | - |
| Hayes Middle School | Grand Ledge, MI | 898 | 13 | - |
| Csp Henry W. Coe State Park | San Juan Bautista, CA | 898 | 14 | - |
| Derby Line Village Water District | Stanstead, VT | 897 | 41 | - |
| Red Creek MUD | San Angelo, TX | 897 | 152 | - |
| Lakes of Magnolia | Spring, TX | 897 | 8 | - |
| North Belt Forest | Austin, TX | 897 | 9 | - |
| Calverton Hills Owners Association | Calverton, NY | 897 | 220 | - |
| Timberlane Middle Sch | Plaistow, NH | 897 | 18 | - |
| Quail Run MHP | Des Peres, MO | 897 | 56 | - |
| Mackinaw City, Village Of | Mackinaw City, MI | 897 | 2 | - |
| Graettinger Municipal Water Supply | Graettinger, IA | 897 | 17 | - |
| Keota Water Dept | Keota, IA | 897 | 62 | - |
| Boulder Ridge MHP | Lafayette, CO | 897 | 0 | - |
| Plantation on the Lake Park | Calimesa, CA | 897 | 15 | - |
| Lakeside School | Bakersfield, CA | 897 | 60 | - |
| Msbsd Knik-Goose Bay Elem. | Wasilla, AK | 897 | 34 | - |
| Pontotoc Co RWD # 6 (Fittstown) | Fittstown, OK | 896 | 44 | - |
| Matamoras Village | New Matamoras, OH | 896 | 69 | - |
| Jefferson Co W&S District- J | Steubenville, OH | 896 | 19 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).