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.

System Name Location Population Violations PFAS
Marquette, City Of Marquette, KS 596 134 -
Cobbtown Water System Cobbtown, GA 596 65 -
Epcor - Willow Valley/Lake Cimarron El Mirage, AZ 596 120 -
Lewis & Clark State Park Castle Rock, WA 595 27 -
Cedar Grove Mobile Home Park San Jose, TX 595 259 -
Camp Longhorn Indian Springs Burnet, TX 595 19 -
Batesburg-Leesville #2 (3210011) Batesburg-Leesville, SC 595 2 -
Odot Rest Area 1-28 Wb Lima, OH 595 79 -
New Athens PWS New Athens, OH 595 71 -
Cory Rawson Schools Rawson, OH 595 69 -
Cazenovia/Nelson Purchase District Cazenovia, NY 595 0 -
Sussex Co Mall Shopping Hampton, NJ 595 73 -
YMCA Deer Path Park Annadale, NJ 595 23 -
McDonalds of Seavillle Seaville, NJ 595 18 -
Lillington Water System - Vandercroft Lillington, NC 595 18 -
Dayton Oaks Elementary School Ellicott City, MD 595 0 -
Silver Glen Homeowner's Association St. Charles, IL 595 222 -
Camp Stover Jbpph, HI 595 0 -
Brooks Brooks, GA 595 41 -
Hilltop at Lake Weir Des Peres, FL 595 31 -
Old Town Elementary School Cross City, FL 595 26 -
Aquarion-Suffield Shelton, CT 595 121 -
Young Life Crooked Creek Fraser, CO 595 262 -
Fifty Six Waterworks Fifty Six, AR 595 65 -
Four Corners Power - APS Fruitland, 09 595 28 -
Waller County MUD 41 Rosenberg, TX 594 0 -
Olympia Falls Water Plant Magnolia, TX 594 0 -
Stonegate Mobile Estates Kileen, TX 594 0 -
Bcwsa Sineath MHP (0850018) Moncks Corner, SC 594 11 -
Black Brook WD #1 Ausable Forks, NY 594 9 -
Aqua NJ - Spartan Village Hamilton, NJ 594 189 -
Epps Water System Epps, LA 594 209 -
Union Union, IL 594 95 -
Bowersville Bowersville, GA 594 61 -
Whiskeytown Nra-Headquarters Whiskeytown, CA 594 6 -
Water Works, Inc. Bessemer, AL 594 93 -
Byron, Town Of Byron, WY 593 9 -
Sandy Hook Park Community Club Port Orchard, WA 593 44 -
East Olympia Elementary School Tumwater, WA 593 21 -
Metaline Falls Town Of Newport, WA 593 14 -
Madison Plains High School London, OH 593 138 -
Akal Travel Center Waco, NE 593 194 -
Turkey Creek Regional Sewer District Cromwell, IN 593 90 -
Dwr-Monument Hill Restrooms Oroville, CA 593 2 -
Soldiers Grove Waterworks Soldiers Grove, WI 592 77 -
Emagine Geneva Lakes Lake Angelus, WI 592 1 -
Sandy Ridge - Dcpsa Clintwood, VA 592 12 -
City of Meadow Meadow, TX 592 692 -
Nps Cottonwood Cove Boulder City, NV 592 77 -
Meadowbrook Farm/Stage Gilford, NH 592 16 -

Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).