PlainWater

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
D P & R WSC Rotan, TX 699 249 -
Wall Wall, SD 699 80 Clean
Miller PWS Miller, MO 699 36 -
Marble Marble, MN 699 31 -
Rolling Acres California, MD 699 5 -
Canton, City Of Canton, KS 699 103 Clean
Cynthiana Water Works Cynthiana, IN 699 30 -
Treasure Beach Campground System 4 West Fenwick Island, DE 699 5 -
Pinto Valley Mine Miami, AZ 699 92 -
Usda Fs - Asnf - Big Lake Rec Area II Springerville, AZ 699 65 -
Montvale Water, Inc. Montvale, VA 698 108 -
Armour Armour, SD 698 13 -
Castlewood Castlewood, SD 698 151 -
John Stark Reg High Sch Henniker, NH 698 25 -
Elmwood, Village Of Elmwood, NE 698 21 -
Wheaton PWS Wheaton, MO 698 66 -
Phils One Stop #12 Fort Wayne, IN 698 47 -
Com. Asomante Las Piedras, PR 697 15 -
Ben Logan Elementary School Belfontaine, OH 697 10 -
Morley PWS Morley, MO 697 90 -
Stockton Stockton, MN 697 17 -
Hillman, Village Of Hillman, MI 697 77 -
St Michaels Catholic Church Mount Airy, MD 697 6 -
Pocahontas Aviston, IL 697 23 -
Countryside-Cypress Crossing-Hazelwood Savannah, GA 697 7 -
Marlboro College Marlboro, VT 696 617 -
Oak Shores Water System Cypress, TX 696 127 -
Onion Creek Meadows Austin, TX 696 19 -
White Rock WSC 3 West Lake Mexia Mexia, TX 696 37 -
Live Oak Water System Itasca, TX 696 6 -
Bastrop County Wcid 1 McDade, TX 696 68 -
City of Christine Christine, TX 696 73 -
Jones McGinty Water System Bonita, LA 696 738 -
Oneida Oneida, IL 696 46 -
Jay Mar Villas Wimauma, FL 696 88 -
Oak Park Shelton, WA 695 61 -
Mutton Hollow Improvement District Kaysville, UT 695 64 -
First U.d. of Hawkins Co #2 Church Hill, TN 695 37 -
Mowrey Elem Sch Waynesboro, PA 695 707 -
Hume Water District Fillmore, NY 695 76 -
Alto de las Flores Mdwca Anthony, NM 695 24 -
Caldwell County PWSD 2 Kidder, MO 695 134 -
Clarks Grove Clarks Grove, MN 695 0 -
Merrill, Village Of Merrill, MI 695 38 -
Hermit Island Cg #1 Bath, ME 695 16 -
Chapel Hill Christian Church Kokomo, IN 695 39 -
Scottville Rural Water Company, Inc. Palmyra, IL 695 139 -
Fort Jones, Town Of Fort Jones, CA 695 25 -
Garfield Water Department WA 694 34 -
South Kingstown-Middlebridge Wakefield, RI 694 38 -

Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).