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
Gretna Waterworks Gretna, LA 17,026 72 Detected
Naval Support Activity Portsmouth Portsmouth, VA 17,000 70 Clean
Steubenville, City Of Steubenville, OH 17,000 194 Clean
Roslyn WD Roslyn, NY 17,000 95 Detected
Sun Valley Gid Sun Valley, NV 17,000 7 Clean
Usmc Lejeune--Holcomb Blvd Camp Lejeune, NC 17,000 25 Clean
Jefferson County PWSD 3 Arnold, MO 17,000 5 Clean
Pendleton, City Of Pendleton, OR 16,996 69 Detected
Sharon Water Dept Sharon, MA 16,991 13 Detected
Mount Vernon City PWS Mount Vernon, OH 16,990 13 Clean
Mt Werner WD Steamboat Springs, CO 16,980 212 Clean
City of Hewitt Hewitt, TX 16,978 39 Detected
Port Townsend City Of Port Townsend, WA 16,977 18 Clean
South Orange Water Department South Orange, NJ 16,964 127 Detected
Troy Troy, IL 16,962 24 Detected
Jenks PWA Jenks, OK 16,924 58 Clean
Russell County Water Authority Phenix City, AL 16,923 27 Detected
Logan County Psd - Northern Regional Logan, WV 16,921 426 Clean
Fort Eustis Fort Eustis, VA 16,900 54 Detected
McKinleyville C.s.d. McKinleyville, CA 16,900 8 Clean
Laurel Co Water District #2 London, KY 16,899 168 Detected
Griffith Water Department Griffith, IN 16,893 19 Clean
Cohoes City Cohoes, NY 16,883 66 Clean
US Air Force Academy Usaf Academy, CO 16,876 77 Clean
Orocovis Urbano Orocovis, PR 16,869 260 Clean
Orange Vale Water Company Orangevale, CA 16,861 6 Clean
Marion Marion, IL 16,855 136 Detected
Salem City Salem, OH 16,850 63 Clean
Fentress County U.d. Jamestown, TN 16,845 55 Clean
Muhlenberg Co Water District Greenville, KY 16,845 106 Clean
Stuart, City of - Water Plant Stuart, FL 16,841 51 Detected
Lpwdn North Region Lafayette, LA 16,833 13 Clean
Naval Base Kitsap at Bangor Silverdale, WA 16,828 21 Clean
Montgomery County MUD 67 The Woodlands, TX 16,821 18 Clean
North Chicago North Chicago, IL 16,813 154 Clean
City of Gonzales Water System Gonzales, LA 16,806 84 Clean
Dyer Water Department Dyer, IN 16,800 12 Clean
Bishop Creek Chevron Bishop, CA 16,793 0 -
Town of Discovery Bay Discovery Bay, CA 16,790 6 Clean
City of Canton Canton, MS 16,785 198 Clean
Fort Rucker -American Water Enterprises Ft. Rucker, AL 16,774 24 Clean
Canton Canton, IL 16,748 65 Detected
Salem Water Users LLC Benton, AR 16,737 3 Clean
Harrison Co Water Assoc Cynthiana, KY 16,736 59 Detected
Pinedale County Water District Pinedale, CA 16,736 33 Detected
Massena Village Massena, NY 16,729 23 Clean
Estes Park Town Of Estes Park, CO 16,722 22 Clean
Bellevue Waterworks Green Bay, WI 16,715 229 Clean
Buffalo Buffalo, MN 16,711 6 Clean
Hudson Water Dept Hudson, NH 16,700 10 Detected
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