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
Reedsburg Waterworks Reedsburg, WI 9,984 36 Detected
Berea Municipal Utilities Berea, KY 9,972 337 Clean
Watertown Water & Sewer Authority Oakville, CT 9,972 144 Clean
Fairview, City Of Fairview, OR 9,963 106 Clean
West Manchester Twp Auth York, PA 9,960 1,200 Detected
Marysville, City Of Marysville, MI 9,959 234 Clean
Burlington Waterworks Burlington, WI 9,958 504 Clean
Cocos Salinas, PR 9,956 899 Clean
Southlake Utilities Clermont, FL 9,950 16 Detected
Steamboat Springs City Of Steamboat Springs, CO 9,950 24 Clean
Cal-Am Water Company - East Pasadena Rosemead, CA 9,949 12 Clean
Newberry Co W&sa (Sc3620002) Newberry, SC 9,941 102 Detected
Stanly Co-West Stanly Dist Albemarle, NC 9,939 273 Detected
Green Valley Campground San Bernardino, CA 9,939 0 -
Dandridge Water Mgmt Facility Dandridge, TN 9,931 37 Detected
Trumbull Co. - Southeast PWS Vienna, OH 9,931 14 Detected
City of Fulton Fulton, MS 9,929 23 Clean
Guthrie Guthrie, OK 9,925 83 Detected
Tierra Nueva Rabanos Manati, PR 9,924 41 -
Havre City Of Havre, MT 9,921 76 Clean
Sauk Sauk Village, IL 9,921 687 Clean
Muskegon Heights Muskegon Heights, MI 9,917 69 Clean
City of Youngsville Water System Youngsville, LA 9,915 39 -
Howell, City Of Howell, MI 9,914 8 Clean
City of Yazoo City Yazoo, MS 9,913 396 Clean
Lake Henshaw Resort Inc. Santa Ysabel, CA 9,913 30 -
Moundsville Moundsville, WV 9,911 81 Clean
Humboldt Utilities-Water Dept Humboldt, TN 9,908 6 Clean
Greenwood Waterworks Greenwood, AR 9,905 363 Clean
Bbp Water Company Spencer, IN 9,903 22 Clean
Taylor-West Weber Wid Ogden, UT 9,900 150 Clean
Downingtown Water Authority Downingtown, PA 9,900 248 Detected
Pataskala City Pataskala, OH 9,900 47 Clean
Sea Breeze WD Rochester, NY 9,900 16 Clean
East Greenwich Twp Water Dept Mickleton, NJ 9,900 42 Detected
Pease Trade Port Portsmouth, NH 9,900 7 Detected
Berlin Township Newport, MI 9,900 10 Clean
Decatur Water Department Decatur, IN 9,900 88 Clean
Keokuk Municipal Water Works Keokuk, IA 9,900 50 Detected
Snake River WD Keystone, CO 9,900 133 Detected
West Yellowstone Town Of West Yellowstone, MT 9,899 203 Clean
Little Hocking Water Association, Inc. Little Hocking, OH 9,892 8 Clean
Lcwsa Consolidated Water District Lakeville, NY 9,892 79 Clean
Columbia City Water Department Columbia City, IN 9,892 28 Clean
City of Heath Heath, TX 9,890 40 Detected
Town of Mount Airy Mount Airy, MD 9,890 156 Detected
Watervliet City NY 9,889 42 Clean
Morrison Town Of Morrison, CO 9,887 276 Detected
Monroeville, Water Works Bd. of City Of Monroeville, AL 9,885 5 Clean
City of Jasper Jasper, TX 9,884 26 Clean
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