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
Bentonville Water Utilities Bentonville, AR 51,250 23 Detected
City of Lufkin Lufkin, TX 51,236 43 Detected
Middletown City PWS Trenton, OH 51,229 61 Detected
Manchester Water Department Manchester, CT 51,198 31 Detected
Columbus Municipal Utility Columbus, IN 51,122 8 Detected
Cuyahoga Falls City PWS Cuyahoga Falls, OH 51,114 94 Clean
Williamsport Mun Water Auth Williamsport, PA 51,000 73 Detected
Mansfield City Mansfield, OH 51,000 84 Clean
Altamonte Springs Water Dept (2 Wps) Altamonte Springs, FL 51,000 64 Detected
Bethany Bay Pump District Dover, DE 51,000 11 Detected
Lakewood City PWS Lakewood, OH 50,942 41 Clean
Myrtle Beach City of (Sc2610001) Myrtle Beach, SC 50,930 25 Detected
Foley, Utilities Board of the City Of Foley, AL 50,919 16 Clean
Deland, City Of Deland, FL 50,910 61 Detected
City of Cedar Hill Cedar Hill, TX 50,904 34 Detected
City of Waxahachie Waxahachie, TX 50,814 41 Detected
Liberty Water Lpsco Litchfield Park, AZ 50,770 271 Detected
City of Grapevine Grapevine, TX 50,631 9 Detected
Mililani Honolulu, HI 50,573 42 Clean
Cal Am - Parkway Sacramento, CA 50,573 3 Detected
Robinson Creek Campground Sparks, CA 50,562 22 -
Romeoville Romeoville, IL 50,458 266 Detected
Parsippany-Troy Hills Water Department Parsippany, NJ 50,400 430 Detected
Golden State WC - Placentia/Yorba Linda Anaheim, CA 50,381 0 Detected
Gswc - Artesia Anaheim, CA 50,375 5 Detected
Apple Valley Apple Valley, MN 50,300 3 Detected
City of Nacogdoches Nacogdoches, TX 50,226 74 Clean
PA Amer Water Co Hummelstown, PA 50,200 15 Detected
Niagara Falls Water Board Niagara Falls, NY 50,193 84 Clean
Hoffman Estates Hoffman Estates, IL 50,179 42 Clean
Saint Louis Park St. Louis Park, MN 50,010 14 Detected
Sunrise Water Authority Happy Valley, OR 50,003 7 Detected
Wilson, City Of Wilson, NC 50,001 7 Clean
Santa Margarita Recreation Area San Luis Obispo, CA 50,001 0 -
Goodyear Water Department Goodyear, AZ 50,001 351 Detected
Centerville Osterville Marstons Mills WD Osterville, MA 50,000 61 Detected
Purdue Univ. Water Works West Lafayette, IN 50,000 82 Detected
Plainfield Plainfield, IL 50,000 182 Clean
University of Arizona Tucson, AZ 50,000 1,168 Detected
Whittier-City, Water Dept. Whittier, CA 49,954 0 Clean
Newark City PWS Newark, OH 49,934 70 Detected
Glendora-City, Water Dept. Glendora, CA 49,934 4 Clean
Sheboygan Water Utilities Sheboygan, WI 49,931 58 Clean
City of Bedford Bedford, TX 49,900 16 Detected
Poway, City Of Poway, CA 49,888 4 Clean
Lincoln County WTP Denver, NC 49,693 67 Detected
Holland Board of Public Works Holland, MI 49,687 9 Clean
Mishawaka Utilities Mishawaka, IN 49,675 19 Detected
Greenwood Cpw (2410001) Greenwood, SC 49,632 21 Detected
Uc - Davis Davis, CA 49,616 10 Clean
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