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
Broomfield City and County Of Broomfield, CO 106,153 12 Clean
Medford Water Commission Medford, OR 106,068 9 Clean
Quincy Water Dept. (Mwra) Quincy, MA 106,000 14 Clean
Cal-Am Water Coronado Imperial Beach, CA 106,000 2 Clean
Inima USA / Aquaria LLC North Dighton, MA 105,643 39 Clean
Brockton Water Department Brockton, MA 105,643 110 Clean
Burbank-City, Water Dept. Burbank, CA 105,603 16 Detected
St George City Water System St George City, UT 105,240 209 Clean
City of San Angelo San Angelo, TX 105,229 23 Detected
PA American Water Co West Mechanicsburg, PA 105,127 24 Detected
Northshore Utility District Kenmore, WA 105,105 5 Clean
Racine Waterworks Racine, WI 105,100 67 Clean
Johnson City Water Dept Johnson City, TN 105,057 33 Clean
City of Daly City Daly City, CA 104,901 12 Clean
City of Allen Allen, TX 104,870 10 Detected
Norman Utilities Authority Norman, OK 104,868 251 Detected
Harford County D.p.w. Abingdon, MD 104,567 27 Clean
West Valley Water District Rialto, CA 104,498 19 Clean
Indiana American Water - S. Indiana Greenwood, IN 104,445 1 Clean
Martin Co Utilities Stuart, FL 104,105 59 Clean
City of College Station College Station, TX 104,103 0 Detected
Lacey Water Department Lacey, WA 103,755 61 Detected
Highlands Ranch WSD Highlands Ranch, CO 103,444 13 Detected
City of Yuma Yuma, AZ 103,264 456 Clean
Greenville Utilities Comm Greenville, NC 103,140 23 Detected
Longmont City Of Longmont, CO 102,866 78 Clean
California Water Service - San Mateo San Jose, CA 102,348 7 Clean
City of Wichita Falls Wichita Falls, TX 102,316 23 Detected
Ctwc - Northern Reg-Western System Clinton, CT 101,313 406 Detected
City of San Jose - Evg/Edv/Coy San Jose, CA 101,265 6 Clean
Lynn Water and Sewer Comm Lynn, MA 101,253 39 Detected
Albany Albany, GA 101,245 41 Detected
City of New Bedford Dpi New Bedford, MA 101,079 12 Detected
Walnut Valley Water District Walnut, CA 100,941 5 Clean
Hesperia WD Hesperia, CA 100,744 7 Detected
St Charles County PWSD 2 O Fallon, MO 100,587 18 Detected
Clinton Township Clinton Township, MI 100,513 15 Clean
Veolia Water Delaware, Inc Wilmington, DE 100,495 46 Detected
Nampa City Of Nampa, ID 100,200 262 Clean
Miami Beach, City Of Miami Beach, FL 100,000 39 Detected
South Tahoe PUD - Main South Lake Tahoe, CA 100,000 13 Detected
Carmel Water Department Carmel, IN 99,927 23 Clean
Sandy City Water System Sandy, UT 99,750 694 Clean
Canton Township Canton, MI 99,627 6 Clean
Lees Summit PWS Lees Summit, MO 99,400 33 Detected
City of Pompano Pompano Beach, FL 99,400 51 Detected
Jordan Valley Wcd West Jordan, UT 99,335 44 Clean
Dalton Utilities Dalton, GA 99,315 11 Detected
Kenosha Water Utility Kenosha, WI 99,218 56 Clean
Springdale Water Utilities Springdale, AR 98,948 3 Clean
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