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
Grafton Water District Grafton, MA 10,925 78 Detected
Hudson WSC Lufkin, TX 10,907 340 Clean
Fort Polk South Water System Fort Johnson, LA 10,902 63 Clean
Sparta Water System Sparta, TN 10,899 58 Clean
Bagdad-Garcon Point Water System Milton, FL 10,896 24 Detected
Harris County MUD 49 Houston, TX 10,893 15 Detected
Village Water System Benton, LA 10,890 108 Detected
Langley Air Force Base Hampton, VA 10,886 41 Detected
Smithville PWS Smithville, MO 10,885 154 Detected
Thomas Hill PWSD 1 Moberly, MO 10,880 17 Detected
Cottage Grove, City Of Cottage Grove, OR 10,879 68 Clean
Princeton Water Department Princeton, IN 10,875 37 Clean
Summit Summit, IL 10,875 35 Detected
Lawrence Livermore National Lab Site 200 Livermore, CA 10,870 0 Clean
Cottonwood WSD Englewood, CO 10,867 131 Detected
Van Wert City Van Wert, OH 10,846 287 Clean
Woodbury Cons. W.D. Central Valley, NY 10,845 232 Detected
Tarboro, Town Of Tarboro, NC 10,844 103 Detected
Weatherford Weatherford, OK 10,833 373 Clean
Belen Water System Belen, NM 10,830 672 Clean
Crestwood Crestwood, IL 10,826 71 Clean
New Richmond Waterworks New Richmond, WI 10,824 52 Detected
Raynham Center Water District Raynham, MA 10,824 8 Detected
Pea Ridge Waterworks Pea Ridge, AR 10,820 4 Clean
Locust Grove Locust Grove, GA 10,812 56 Clean
Totowa W Dept Totowa Borough, NJ 10,804 93 Detected
Beachwood Water Dept Beachwood, NJ 10,802 164 Clean
Tryon Road Sud Longview, TX 10,791 17 Clean
Bayou Liberty Water Association Slidell, LA 10,791 65 Clean
Aquarion-Mystic Shelton, CT 10,788 162 Detected
Monroe Waterworks Monroe, WI 10,780 35 Clean
Longport Water Department Longport, NJ 10,777 20 Clean
Bridgeport City Of Bridgeport, WV 10,775 33 Detected
Sampson Co Wtr Dist II Clinton, NC 10,775 38 Clean
Maryville PWS Maryville, MO 10,775 123 Detected
Pulaski Water System Pulaski, TN 10,767 38 Clean
West Caldwell Water Department West Caldwell, NJ 10,759 64 Detected
Pleasant Prairie Water Utility Pleasant Prairie, WI 10,754 71 Clean
Rogers Co RWD # 3 Cot Sta Claremore, OK 10,750 39 Clean
Sunrise Southwest Sunrise, FL 10,750 74 Detected
Gswc - Willowbrook Anaheim, CA 10,747 2 Clean
City of Bonham Bonham, TX 10,746 159 Detected
Ocean Lakes Ltd (Sc2660048) Myrtle Beach, SC 10,727 84 Detected
Southwest Ouachita Waterworks, Inc West Monroe, LA 10,725 426 Clean
Barnesville Barnesville, GA 10,725 25 Detected
Gloucester County Water System Gloucester, VA 10,724 22 Clean
NJ American Water - Washington/Oxford Cherry Hill, NJ 10,719 75 Detected
Moongate West Organ, NM 10,708 166 Clean
Atchison, City Of Atchison, KS 10,694 216 Clean
Santa Ana Westside Santa Ana Pueblo, 06 10,691 147 Clean
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