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 |
|---|---|---|---|---|
| Nunapitchuk Water System | Nunapitchuk, AK | 496 | 785 | - |
| Ynp-Tower Fall Cg | Yellowstone National Park, WY | 495 | 2 | - |
| Holland TN Sanitary Dist | Kaukauna, WI | 495 | 71 | - |
| Mesa Water Department | Mesa, WA | 495 | 74 | - |
| Lagoon Point Water District | Greenbank, WA | 495 | 92 | - |
| Dallesport Industrial Park | Goldendale, WA | 495 | 19 | - |
| Mary Walter Elem School | Warrenton, VA | 495 | 13 | - |
| Trails End | Horntown, VA | 495 | 14 | - |
| Peterson Pipeline Association | Morgan, UT | 495 | 210 | - |
| Amalga Town Water System | Amalga, UT | 495 | 1,100 | - |
| White Oak Ranch Section One | Austin, TX | 495 | 12 | - |
| Mustang Hollow Campground | Corpus Christi, TX | 495 | 116 | - |
| Sierra West Subdivision | Austin, TX | 495 | 29 | - |
| Springmont Subdivision | Cypress, TX | 495 | 106 | - |
| Fort Bend County MUD 66 | Houston, TX | 495 | 0 | - |
| Brazos Lakes Water Supply | Magnolia, TX | 495 | 40 | - |
| Philhaven | Mount Gretna, PA | 495 | 92 | - |
| McDonalds at Manheim | York, PA | 495 | 24 | - |
| Mountain Water Authority | Tremont, PA | 495 | 147 | - |
| Jefferson Elementary School | Jefferson Township, PA | 495 | 8 | - |
| Spring Hill Elementary School | Atwater, OH | 495 | 11 | - |
| Fox Run Estates PWS | Mogadore, OH | 495 | 58 | - |
| Timashamie Family Campground | Salem, OH | 495 | 15 | - |
| Argyle Village | Argyle, NY | 495 | 241 | - |
| Machne Rav Tov Cherrytown | Brooklyn, NY | 495 | 94 | - |
| Kerhonkson Water District | Ellenville, NY | 495 | 439 | - |
| Pinecreek Campground | Newfield, NY | 495 | 29 | - |
| Delaware Valley Job Corps | Callicoon, NY | 495 | 24 | - |
| Blue Sky Manor | Wurtsboro, NY | 495 | 12 | - |
| Caroline Reutter School | Franklinville, NJ | 495 | 179 | - |
| Brunswick, Town Of | Brunswick, NC | 495 | 22 | - |
| Elk Park, Town Of | Elk Park, NC | 495 | 169 | - |
| Alberton Town Of | Alberton, MT | 495 | 32 | - |
| Countryside Academy-Meadowbrook Main Sch | Benton Harbor, MI | 495 | 0 | - |
| Cntryside Acad - Meadowbrooks Sm Class | Benton Harbor, MI | 495 | 71 | - |
| Great Lakes Shipwreck Museum | Sault Ste. Marie, MI | 495 | 12 | - |
| Langston General Store | Stanton, MI | 495 | 27 | - |
| Hartland Schools - Round Elem School | Hartland, MI | 495 | 12 | - |
| Naval Support Facility, Stump Neck Annex | Indian Head, MD | 495 | 5 | - |
| Ccns Highland Area (Truro) | Wellfleet, MA | 495 | 11 | - |
| Ccns Nauset Light Beach | Wellfleet, MA | 495 | 15 | - |
| Ccns Coast Guard Station | Wellfleet, MA | 495 | 29 | - |
| Rogers Community Water System Inc | Jena, LA | 495 | 50 | - |
| Ida Water System | Ida, LA | 495 | 125 | - |
| Jamestown Fryeburg Water System | Dubberly, LA | 495 | 10 | - |
| Newport Water Works | Newport, IN | 495 | 93 | - |
| Croppers 1st 4th and 5th Addition | Milan, IL | 495 | 26 | - |
| North Meadow Village MHP | Normal, IL | 495 | 55 | - |
| Fernwood Water Dist | Fernwood, ID | 495 | 126 | - |
| The Lakes Association | Visalia, CA | 495 | 16 | - |
Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).