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.

Population Violations Health Violations Name
System Name Location Population Violations PFAS
Arizona Water Co - White Tanks Phoenix, AZ 18,858 26 Detected
City of Nederland Nederland, TX 18,856 84 Clean
Pleasant View Utility District Pleasant View, TN 18,854 19 Clean
Ashland Water and Sewer Dept. Ashland, MA 18,832 45 Detected
Marshfield Utilities Marshfield, WI 18,815 18 Detected
City of Lockhart Lockhart, TX 18,800 2 Clean
Twentynine Palms Water District Twentynine Palms, CA 18,795 254 Clean
Berea City PWS Berea, OH 18,789 34 Clean
Concord Water Dept Concord, MA 18,788 25 Detected
Brookfield Brookfield, IL 18,776 48 Clean
Clinton Utilities Board Clinton, TN 18,772 33 Clean
Bear Creek W/a -East Canton, MS 18,770 310 Clean
McMinnville Water Dept McMinnville, TN 18,767 51 Detected
Rowan Water Inc Morehead, KY 18,765 68 Clean
Canby Utility Canby, OR 18,754 57 Clean
Bixby Public Works Authority Bixby, OK 18,750 46 Clean
Aquarion-Darien Shelton, CT 18,737 8 Detected
Lake Wales, City Of Lake Wales, FL 18,722 23 Detected
City of Glenn Heights Glenn Heights, TX 18,718 41 Detected
Altus Altus, OK 18,717 562 Detected
Marietta City PWS Marietta, OH 18,707 119 Detected
Vincennes Water Department Vincennes, IN 18,701 70 Clean
Westford Water Department Westford, MA 18,680 28 Detected
Villages of Lake-Sumter - Wtps 1, 3, ; 5 The Villages, FL 18,675 95 Detected
Cudahy Waterworks Cudahy, WI 18,659 63 Clean
North Salt Lake City Water System North Salt Lake, UT 18,655 509 Clean
Shorewood Shorewood, IL 18,645 105 Detected
Usaf Davis Monthan Afb Davis-Monthan Afb, AZ 18,640 1,020 Clean
Foxboro Water Department Foxborough, MA 18,639 100 Detected
Union City Union City, GA 18,636 54 Clean
Weirton Area Water Board Weirton, WV 18,633 238 Detected
Community Water System Greers Ferry, AR 18,628 41 Clean
Bella Vista Water District Redding, CA 18,612 9 Clean
City of Red Oak Red Oak, TX 18,577 75 Detected
Mustang Mustang, OK 18,576 92 Clean
South Granville Wtr&sewer Authority Butner, NC 18,555 172 Detected
Trenton Trenton, MI 18,544 13 Clean
Hazardville Water Company Enfield, CT 18,544 119 Detected
Duplin County Water System Kenansville, NC 18,542 646 Clean
Bensenville Bensenville, IL 18,537 59 Clean
Palos Hills Palos Hills, IL 18,530 18 Clean
City of White Settlement White Settlement, TX 18,522 209 Detected
City of Long Beach Long Beach, MS 18,514 940 Clean
Walhalla City of (Sc3710004) Walhalla, SC 18,511 27 Clean
Rutland City Water Dept Proctor, VT 18,500 139 Clean
Bradford City Water Authority Bradford, PA 18,500 313 Clean
Fox Chapel Auth Pittsburgh, PA 18,500 21 Clean
MO American Warrensburg Joplin, MO 18,500 10 Clean
Sycamore Sycamore, IL 18,500 212 Clean
Albert Lea Albert Lea, MN 18,492 7 Clean
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