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
South Blount Utility District Maryville, TN 53,864 33 Clean
Chatham Fair Water Distribution Chatham, NY 53,700 10 -
Greer Cpw (Sc2310005) Greer, SC 53,602 25 Clean
Bowling Green Municipal Utilities Bowling Green, KY 53,601 19 Clean
Edina Edina, MN 53,494 4 Detected
City of Burleson Burleson, TX 53,381 20 Detected
City of West Sacramento West Sacramento, CA 53,355 4 Clean
Aquarion-Greenwich Shelton, CT 53,297 114 Detected
City of Thousand Oaks Water Department Thousand Oaks, CA 53,157 0 Clean
Calhoun Calhoun, GA 53,090 13 Detected
Sumter City of (Sc4310001) Sumter, SC 53,070 7 Clean
Methuen Water Dept Methuen, MA 53,059 51 Detected
Harrisonburg, City Of Harrisonburg, VA 53,016 47 Clean
La Crosse Waterworks La Crosse, WI 53,000 73 Detected
Stillwater Utilities Authority Stillwater, OK 53,000 160 Detected
Lake Hemet MWD Hemet, CA 52,913 8 Clean
St Charles Parish Dept of Waterworks Luling, LA 52,879 9 Detected
New Orleans Algiers Water Works New Orleans, LA 52,785 44 Detected
Normal Normal, IL 52,736 3 Clean
City of Celina Celina, TX 52,701 57 Detected
Paw Nesbitt Scranton, PA 52,640 11 Clean
Bcwsa Main Lower South Warrington, PA 52,621 204 Detected
St Peters PWS St Peters, MO 52,575 7 Detected
Mooresville Town Of Mooresville, NC 52,509 182 Clean
Green Valley Sud Marion, TX 52,497 60 Detected
Perth Amboy Water Department Perth Amboy, NJ 52,328 192 Detected
City of Galveston Galveston, TX 52,326 29 Detected
City of Weston (Indian Trace) Weston, FL 52,300 36 Clean
Darlington County W&sa (Sc1620001) Darlington, SC 52,288 20 Clean
Covington Water District Kent, WA 52,276 21 Detected
Frankfort Plant Board Frankfort, KY 52,153 270 Detected
Agua Sud Mission, TX 52,137 45 Detected
Bristol Water Department Bristol, CT 52,079 269 Detected
Yucaipa Valley Water District Yucaipa, CA 52,010 19 Detected
Paw Watres Scranton, PA 52,002 18 Clean
City of Kyle Kyle, TX 52,000 17 Detected
Hoboken Water Utility Hoboken, NJ 52,000 63 Detected
City of Rockville MD 52,000 220 Detected
Collierville Water Dept Collierville, TN 51,972 55 Clean
Holly Springs, Town Of Holly Springs, NC 51,947 93 Detected
Harvest-Monrovia Water System Prospect, AL 51,915 28 Detected
El Toro Water District Lake Forest, CA 51,800 1 Detected
Carroll County Carrollton, GA 51,592 48 Clean
City of San Clemente San Clemente, CA 51,545 4 Clean
Winder Winder, GA 51,540 25 Detected
Eagle River WSD Vail, CO 51,515 66 Clean
Grand Island, City Of Grand Island, NE 51,478 11 Detected
Delano, City Of Delano, CA 51,428 83 Clean
Troy City PWS Glens Falls, NY 51,401 40 Clean
City of Arcadia Arcadia, CA 51,361 17 Detected
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