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
North Greenbush Consolidated District Wynantskill, NY 10,226 15 Clean
Cody, City Of Cody, WY 10,224 11 Clean
Smithfield City Smithfield, UT 10,223 122 Clean
Tucson Water Corona de Tucson Tucson, AZ 10,217 43 Clean
Brighton, City Of Brighton, MI 10,210 6 Clean
Waldwick Water Dept Waldwick, NJ 10,208 828 Detected
St Albans Water Dept St Albans, VT 10,200 66 Clean
Alpine City Spanish Fork, UT 10,200 219 Clean
Hyrum City Wellsville, UT 10,200 196 Clean
Little Canada St. Paul, MN 10,200 14 Detected
Shasta District Fair Anderson, CA 10,200 36 -
Mt. Pleasant Mount Pleasant, 05 10,198 91 Clean
Richland Twp Water Authority Gibsonia, PA 10,190 16 Clean
Waterloo Waterloo, IL 10,190 116 Detected
Cedartown Cedartown, GA 10,190 7 Clean
Chillicothe Municipal Utilities PWS Chillicothe, MO 10,187 2 Clean
Carroll Municipal Water Supply Carroll, IA 10,184 8 Clean
Astoria, City Of Astoria, OR 10,181 44 Clean
Batesville Water Utilities Batesville, AR 10,177 11 Clean
Rice WSC Ennis, TX 10,167 34 Detected
Spanish Fort Water System Spanish Fort, AL 10,161 117 Clean
Newport, City Of Newport, OR 10,160 51 Clean
Mission Bend MUD 2 Houston, TX 10,155 35 Clean
Magnolia-Eden Isles Des Peres, LA 10,155 28 Clean
Maryville Maryville, IL 10,150 22 Clean
Holmen Waterworks Holmen, WI 10,147 123 Detected
Bayou Teche Water Works Loreauville, LA 10,137 113 Clean
Wetumpka, the Ww & Sb of the City Of Wetumpka, AL 10,137 56 Detected
Ontario Town Benefit Area #1 Ontario, NY 10,136 21 Clean
Harris County Wcid 109 Houston, TX 10,134 31 Detected
Alpena, City Of Alpena, MI 10,128 3 Clean
City of Roanoke Roanoke, TX 10,127 87 Detected
Graton Resort and Casino Rohnert Park, 09 10,127 3 Clean
City of Buckeye Tartesso Water System Buckeye, AZ 10,123 62 -
Woodfin Sanitary Water and Sewer Asheville, NC 10,122 293 Clean
South Mesa WC Calimesa, CA 10,108 14 Detected
City of Ingleside Ingleside, TX 10,106 96 Detected
Whiteman Air Base Whiteman Afb, MO 10,106 25 Clean
Keansburg Water & Sewer Dept. Keansburg, NJ 10,105 406 Detected
Bridgeport Township Bridgeport, MI 10,104 6 Clean
Loxley, City Of Loxley, AL 10,104 3 Clean
Ponderosa Forest Utility District Houston, TX 10,101 21 Detected
Scwa - Arden Park Vista Sacramento, CA 10,101 4 Detected
Tri Cnty Jt Muni Auth Fredericktown, PA 10,100 952 Clean
Irondale Water System Irondale, AL 10,098 53 Detected
Aquarion-New Canaan Shelton, CT 10,097 30 Detected
Oxford Township Waterford, MI 10,090 16 Clean
Pritchett Water Supply Corporation Gilmer, TX 10,089 22 Clean
Bath County Water District Salt Lick, KY 10,083 40 Detected
Indiana American Water - Mooresville Greenwood, IN 10,083 3 Clean
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