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
City of Westminster Westminster, CA 90,911 13 Detected
City of Sugar Land Sugar Land, TX 90,909 13 Detected
Santa Fe Water System (City Of) Santa Fe, NM 90,810 63 Clean
Salem and Beverly Water Supply Board Beverly, MA 90,330 19 -
Macomb Township Macomb, MI 90,000 11 Clean
Brooklyn Park Brooklyn Park, MN 89,995 21 Detected
Santa Monica-City, Water Division Los Angeles, CA 89,947 3 Detected
Clear Lake City Water Authority Houston, TX 89,702 12 Detected
City of Redding Redding, CA 89,628 15 Detected
Placer Cwa - Foothill Auburn, CA 89,544 0 Clean
North Miami, City Of North Miami, FL 89,349 47 Detected
MO American St Joseph St Joseph, MO 89,171 1 Clean
Pennichuck Water Works Nashua, NH 89,073 5 Clean
PA American Norristown Norristown, PA 88,885 92 Detected
Lawrence Water Works Lawrence, MA 88,877 296 Detected
Kent County Water Authority West Greenwich, RI 88,779 32 Detected
Marysville Utilities Marysville, WA 88,589 21 Clean
Newton Water Dept. (Mwra) Newton, MA 88,415 22 Clean
Beaverton, City Of Beaverton, OR 88,045 21 Clean
City of Bryan Bryan, TX 87,816 15 Clean
Winter Haven Water Department Winter Haven, FL 87,537 46 Detected
Daytona Beach, City Of Daytona Beach, FL 87,534 50 Detected
Epcor - San Tan San Tan Valley, AZ 87,435 367 Clean
South Jordan City South Jordan, UT 87,356 83 Clean
Ogden City Water System Brigham City, UT 87,267 255 Clean
Sjwd Middle Tyger WTP (4220006) Lyman, SC 87,259 12 Clean
Rockdale Co. Water System Conyers, GA 87,156 28 Detected
Waukegan Waukegan, IL 87,149 118 Clean
West Wilson Utility District Mount Juliet, TN 86,978 46 Clean
City of Cedar Park Cedar Park, TX 86,939 37 Detected
Fayette County Fayetteville, GA 86,934 69 Detected
Brick Township Mua Brick Twp, NJ 86,898 35 Detected
Duluth Duluth, MN 86,859 11 Clean
Indiana American Water - Johnson County Greenwood, IN 86,813 1 Detected
Olivenhain MWD Encinitas, CA 86,458 0 Clean
Chino, City Of Chino, CA 86,435 44 Clean
Aqua WSC Bastrop, TX 86,325 54 Clean
Orange Water & Sewer Authority Carrboro, NC 86,300 9 Detected
Fort Smith Water Utilities Fort Smith, AR 86,209 17 Clean
Bessemer Water Service Bessemer, AL 86,091 17 Detected
Western MWD Riverside, CA 86,062 0 Detected
City of Baytown Baytown, TX 86,004 23 Detected
Fkaa J. Robert Dean W.T.P. Key West, FL 86,000 23 Detected
Harlingen Water Works System Harlingen, TX 85,900 6 Detected
Troy Troy, MI 85,854 8 Clean
Sioux City Water Supply Sioux City, IA 85,791 133 Detected
Latham Water District Latham, NY 85,590 28 Clean
Plantation, East ; Central Plantation, FL 85,496 50 Clean
City of Edinburg Edinburg, TX 85,224 37 Detected
Manteca, City Of Manteca, CA 84,928 77 Detected
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