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
Evanston Evanston, IL 74,486 99 Clean
Newton Co. Water-Sewerage Auth Covington, GA 74,364 4 Clean
South Adams County WSD Commerce City, CO 74,341 0 Detected
Indiana American Water - Muncie Greenwood, IN 74,030 1 Clean
Rochester Hills Rochester Hills, MI 74,000 6 Clean
Caldwell City Of Caldwell, ID 74,000 518 Clean
IL American-West Suburban Godfrey, IL 73,978 21 Clean
Gresham, City Of Gresham, OR 73,932 24 Clean
Mount Vernon Water Department Mount Vernon, NY 73,893 5 Clean
MO American Joplin Joplin, MO 73,728 10 Clean
Genesee County Water System Flint, MI 73,726 30 Clean
New Britain Water Department New Britain, CT 73,534 34 Clean
Ward II Water District Denham Springs, LA 73,506 24 Clean
Waterford Township Waterford, MI 73,441 34 Detected
Arlington Heights Arlington Heights, IL 73,320 79 Clean
Warwick-City Of Warwick, RI 73,289 83 Clean
Rural Lorain Co. Water A Lagrange, OH 73,125 21 Detected
St Charles PWS St Charles, MO 73,040 14 Clean
City of San Marcos San Marcos, TX 72,970 35 Detected
Turlock, City Of Turlock, CA 72,682 20 Clean
Liberty Utilities - Bellflower-Norwalk Downey, CA 72,624 4 Detected
Las Virgenes MWD Calabasas, CA 72,602 9 Clean
Tonawanda, Town Water Dept. Tonawanda, NY 72,571 0 Clean
Tangipahoa Parish Water District Hammond, LA 72,504 103 Clean
North Wales Water Authority North Wales, PA 72,496 422 Detected
Bismarck City Of Bismarck, ND 72,417 0 Clean
Sunrise Sawgrass Sunrise, FL 72,400 50 Clean
Framingham Water Dept. (Mwra) Framingham, MA 72,362 12 Clean
Winter Garden Water Dept (3 Wps) Winter Garden, FL 72,205 83 Detected
Tulare, City Of Tulare, CA 72,131 18 Clean
Wyoming Holland, MI 72,125 3 Clean
Dale City Hopewell, VA 72,062 3 Detected
Rapid City Rapid City, SD 72,009 14 Detected
State College Boro Water Auth State College, PA 72,000 143 Clean
Shelby Township Shelby Township, MI 72,000 8 Clean
Southfield Southfield, MI 71,739 17 Clean
City of North Richland Hills North Richland Hills, TX 71,600 26 Detected
California Water Service Co. - Palos Ver San Jose, CA 71,452 6 Clean
Saint Cloud St. Cloud, MN 71,321 7 Detected
Port Orange, City Of Port Orange, FL 71,096 30 Detected
Bremerton City Of Bremerton, WA 70,913 25 Detected
Palatine Palatine, IL 70,875 28 Clean
Lafayette Water Works Lafayette, IN 70,835 46 Clean
Waukesha Water Utility Waukesha, WI 70,718 2,969 Clean
Eau Claire Waterworks Eau Claire, WI 70,587 8 Detected
City of Yuba City Yuba City, CA 70,256 37 Clean
Bartow County Cartersville, GA 70,243 23 Detected
Blaine Blaine, MN 70,220 26 Detected
Seminole County Southeast Winter Park, FL 70,040 73 Clean
Cwsc los Altos Suburban San Jose, CA 69,973 7 Detected
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