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
Baker City Baker City, OR 10,349 165 Clean
Farm Hill Utilities, Inc. Cantonment, FL 10,346 26 Clean
Burley Water Dept Burley, ID 10,345 43 Clean
Manhattan Manhattan, IL 10,340 178 Clean
Orting City Of Orting, WA 10,332 57 Clean
Riverton, City Of Riverton, WY 10,330 11 Detected
Ohio County Psd Triadelphia, WV 10,328 110 Detected
Fairmont Fairmont, MN 10,328 18 Detected
Barrington Barrington, IL 10,327 16 Clean
Sweet Home, City Of Sweet Home, OR 10,322 340 Clean
Elkhorn Waterworks Elkhorn, WI 10,317 291 Clean
Angier, Town Of Angier, NC 10,317 50 Detected
Lower Twp Mua Villas, NJ 10,315 318 Clean
Mount Airy, City Of Mount Airy, NC 10,314 29 Clean
Festival Ranch Buckeye, AZ 10,313 52 Clean
Miami Co RWD 2 Paola, KS 10,311 136 Detected
City of Heath PWS Heath, OH 10,310 17 Clean
Port Sulphur Water District Belle Chasse, LA 10,308 225 Detected
Lyons Lyons, IL 10,304 38 Clean
Independence Water System Independence, OR 10,300 61 Detected
Buckeye Water District - Ohio River Wellsville, OH 10,300 112 Clean
Corning City Corning, NY 10,300 107 Detected
Kendallville Water Department Kendallville, IN 10,300 19 Clean
Peru Peru, IL 10,300 37 Clean
Molalla, City Of Molalla, OR 10,298 38 Detected
Bluffton Utilities Water Dept Bluffton, IN 10,298 12 Clean
Quincy, City of W/S Quincy, FL 10,298 56 Clean
Harrisburg Harrisburg, SD 10,297 14 Detected
East Lauderdale County Water Authority Rogersville, AL 10,296 9 Clean
Barefoot Bay Viera, FL 10,290 69 Clean
Randolph County Water & Sewer Authority Wedowee, AL 10,290 44 Clean
Elma Water District No. 1 Elma, NY 10,287 24 Clean
St. Elmo-Irvington Water Authority St Elmo, AL 10,284 171 Detected
River Grove River Grove, IL 10,282 26 Clean
Rabun County Water & Sewer Authority Clayton, GA 10,276 20 Clean
Duvall City Of Duvall, WA 10,267 6 Clean
Wanaque W Dept. Wanaque, NJ 10,266 420 Detected
Riverdale Riverdale, IL 10,266 35 Clean
Opp Utilities Board Opp, AL 10,266 24 Clean
Pickens WTP (Sc3910001) Pickens, SC 10,263 45 Clean
Woodbury City W Dept Woodbury, NJ 10,263 331 Detected
City of Boonville Boonville, IN 10,260 106 Clean
London City PWS Columbus, OH 10,256 153 Clean
Farmersville, City Of Farmersville, CA 10,243 28 Clean
City of Broussard Purchase Water System Broussard, LA 10,242 51 -
Plymouth Water Department Plymouth, IN 10,241 115 Clean
Murphysboro Murphysboro, IL 10,241 55 Detected
Fort Bend County MUD 151 Houston, TX 10,233 6 Clean
Pine Hill Borough Mua Pine Hill, NJ 10,233 27 Clean
Lexington, City Of Lexington, NE 10,230 60 Clean
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