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
Charlestown/River Ridge Jeffersonville, IN 10,500 5 Clean
Savannah-I & D Port Wentworth, GA 10,500 64 Detected
Hamilton Water and Wastewater Department Hamilton, AL 10,500 73 Clean
Fort Bend County MUD 182 Houston, TX 10,498 0 -
City of Rio Vista Rio Vista, CA 10,489 13 Clean
City of Galena Park Galena Park, TX 10,487 26 Detected
City of Carencro Water System Carencro, LA 10,485 14 Clean
Silverton, City Of Silverton, OR 10,484 118 Clean
St John Water District 1 Laplace, LA 10,484 499 Detected
Harris County MUD 489 Houston, TX 10,476 12 -
Rogers Co RWD # 3 Lake Plant Claremore, OK 10,470 166 Clean
Ivins Ivins, UT 10,465 115 Clean
Wood River Wood River, IL 10,464 29 Detected
Plumas Lake Olivehurst, CA 10,464 4 Clean
Winterville, Town Of Winterville, NC 10,462 69 Detected
Belgrade City Of Belgrade, MT 10,460 285 Clean
Galion City Galion, OH 10,453 59 Detected
Beverly Hills Beverly Hills, MI 10,451 16 Clean
Columbus Co Water Districts II, III, V Whiteville, NC 10,442 406 Clean
Edwardsville Water Corporation Georgetown, IN 10,442 549 Clean
Portage Waterworks Portage, WI 10,437 139 Detected
Manchester Water District Manchester, WA 10,437 54 Clean
City of Pass Christian Pass Christian, MS 10,436 518 Clean
Tri-Township Water Corporation Lawrenceburg, IN 10,435 4 Clean
Munford Water Dept Munford, TN 10,434 26 Clean
Idaho Springs City Of Idaho Springs, CO 10,432 125 Clean
Town of Northlake Northlake, TX 10,430 23 Detected
Whitefish City Of Whitefish, MT 10,418 102 Clean
Athol Dpw Water Division Athol, MA 10,418 19 Clean
Grand Haven Grand Haven, MI 10,412 0 Detected
Harris County MUD 230 Houston, TX 10,404 6 Detected
Big Rapids Big Rapids, MI 10,403 10 Clean
Harris County MUD 102 Houston, TX 10,401 5 Detected
Maynard Dpw, Water Division Maynard, MA 10,401 304 Detected
Mt Penn Boro Muni Auth Reading, PA 10,400 121 Detected
South Central RWD North Burleigh Bismarck, ND 10,400 0 Clean
Cloverdale, City Of Cloverdale, CA 10,398 24 Clean
Waverly Water Department Waverly, IA 10,394 44 Detected
Winnsboro Town of (2010001) Winnsboro, SC 10,391 61 Detected
Beulah Utilities District Valley, AL 10,389 95 Detected
Bean Station Utility District Bean Station, TN 10,378 50 Detected
Lubeck Psd Washington, WV 10,377 79 Detected
Langham Creek Utility District Houston, TX 10,377 20 Detected
Mauriceville MUD Mauriceville, TX 10,374 30 Clean
Grosse Ile Township Grosse Ile, MI 10,371 17 Clean
Pingree Grove Pingree Grove, IL 10,365 42 Clean
Epcor - San Tan Anthem San Tan Valley, AZ 10,362 55 Detected
Rathdrum City Of Rathdrum, ID 10,358 26 Detected
Cadillac, City Of Cadillac, MI 10,355 15 Clean
Gonzales County WSC Gonzales, TX 10,350 157 Detected
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