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
Indiana American Water - Warsaw Greenwood, IN 13,835 87 Detected
City of Buda Buda, TX 13,830 142 Detected
Saraland, Bd of W&S Commissioners Saraland, AL 13,827 107 Detected
Coldwater Coldwater, MI 13,822 6 Clean
Scioto Co. Regional Water District #1 Lucasville, OH 13,820 56 Detected
Caseyville Caseyville, IL 13,798 58 Detected
Montezuma WC Dolores, CO 13,797 44 Clean
Arizona Water Co - Overgaard Phoenix, AZ 13,797 69 Clean
Stanwood Water Dept City Of Stanwood, WA 13,785 179 Clean
Moberly PWS Moberly, MO 13,783 141 Detected
Huntingdon Boro Water Dept Huntingdon, PA 13,776 201 Clean
Nipomo Comm Services Dist Nipomo, CA 13,771 8 Clean
Roxborough WSD Littleton, CO 13,765 27 Clean
St Albans Water Saint Albans, WV 13,758 270 Clean
Sheffield Utitlies, City of Sheffield Db Sheffield, AL 13,758 10 Detected
Morro Bay Pw Dept - Water Division Morro Bay, CA 13,757 13 Clean
Greater Augusta Utility District Augusta, ME 13,750 12 Clean
Remington MUD 1 Houston, TX 13,743 0 Detected
Zapata County Waterworks Swtp Zapata, TX 13,736 95 Detected
Rogersville Water Dept Rogersville, TN 13,729 446 Clean
City of Webster Webster, TX 13,710 9 Detected
Miami Miami, OK 13,704 352 Clean
City of Forest Hill Forest Hill, TX 13,701 29 Detected
Cypress Springs Sud N Plant 1 and NE Pla Mount Vernon, TX 13,698 30 Detected
Avenal, City Of Avenal, CA 13,696 91 Clean
Washington Water Works Washington, IN 13,690 24 Clean
Elmore Water & Sewer Authority Elmore, AL 13,680 18 Clean
York Water District York, ME 13,675 20 Clean
Jackson County Water Utility Brownstown, IN 13,667 712 Detected
City of Beeville Beeville, TX 13,664 536 Detected
Trabuco Canyon Water District Trabuco Canyon, CA 13,659 16 Clean
Trophy Club MUD 1 Trophy Club, TX 13,649 1 Clean
City of Horn Lake Horn Lake, MS 13,649 345 Clean
Big Creek W/S District (0420009) Belton, SC 13,647 12 Detected
Lincoln-Pipestone Rural Water System Lake Benton, MN 13,644 17 Clean
Verona Water Department Verona, NJ 13,641 161 Detected
Jackson Co Water Association McKee, KY 13,629 122 Clean
Martinsville, City Of Martinsville, VA 13,600 37 Clean
Dewitt Wds - North East Syracuse, NY 13,600 33 Clean
Sweetwater Utility Board Sweetwater, TN 13,597 20 Clean
Central Winter Haven, FL 13,595 73 Clean
Valdese, Town Of Valdese, NC 13,571 231 Clean
City of Seabrook Seabrook, TX 13,560 1 Detected
Fort Bend County MUD 23 Houston, TX 13,548 5 Clean
Eastern Bartholomew Water Taylorsville, IN 13,547 125 Clean
Kingsburg, City Of Kingsburg, CA 13,540 35 Clean
Lovington Municipal Water Supply Lovington, NM 13,539 150 Clean
Coshocton PWS Coshocton, OH 13,537 69 Clean
Shorewood Waterworks Shorewood, WI 13,535 30 Clean
Northborough Water Department (Mwra) Northborough, MA 13,535 432 Clean
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