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
Lincoln Co B.p.u. #1 Fayetteville, TN 23,846 283 Clean
Epcor - Anthem El Mirage, AZ 23,826 160 Clean
Avon City PWS Avon, OH 23,800 14 Clean
Polk County Water Authority Cedartown, GA 23,792 42 Clean
Oak Harbor City Of Oak Harbor, WA 23,767 13 Clean
Northwest Harris County MUD 5 Houston, TX 23,766 27 Detected
Paw Blue Mountain Division Clarks Summit, PA 23,763 14 Clean
Shelbyville Water & Sewer Commission Shelbyville, KY 23,760 109 Detected
Mt Washington Water Company Mt Washington, KY 23,760 47 Detected
Crestview WSD Denver, CO 23,756 0 -
Brownsburg Water Works Brownsburg, IN 23,750 85 Detected
Golden State Water Company - Bay Point Rancho Cordova, CA 23,731 7 Clean
Lewiston Water & Sewer Division Lewiston, ME 23,720 19 Clean
Faribault Faribault, MN 23,718 6 Clean
Adrian Adrian, MI 23,663 33 Clean
City of Watauga Watauga, TX 23,660 22 Detected
Avon Lake City PWS Avon Lake, OH 23,659 21 Clean
South Elgin South Elgin, IL 23,648 38 Detected
Griffin Griffin, GA 23,643 48 Detected
Groveland Water Department Groveland, FL 23,628 51 -
Columbus Light & Water Columbus, MS 23,616 177 Clean
South Salt Lake City Water System Coalville, UT 23,600 506 Detected
Hardin Co. Water Dist #1/Ft. Knox Radcliff, KY 23,600 470 Clean
Belton PWS Belton, MO 23,598 32 Detected
Shelby, City Of Shelby, NC 23,577 42 Clean
Rainbow Municipal WD Fallbrook, CA 23,536 14 Clean
Farmington Farmington, MN 23,534 11 Detected
Troy Utilities, City Of Troy, AL 23,523 124 Clean
Portland Water System Portland, TN 23,509 111 Clean
Atlantic Beach Water System Atlantic Beach, FL 23,503 28 Clean
Margate City Water Department Fiar Lawn, NJ 23,500 92 Clean
Windsor Town Of Windsor, CO 23,500 14 Clean
City of Kerrville Kerrville, TX 23,489 163 Detected
Monroe Water System Monroe, WA 23,467 27 Clean
Meridian MD Englewood, CO 23,415 10 Clean
Ecwa Orchard Park Buffalo, NY 23,387 2 -
Lynn Haven, City of Water System Lynn Haven, FL 23,380 22 Clean
Brookings Municipal Utilities Brookings, SD 23,377 12 Clean
King, City Of King, NC 23,370 118 Clean
Jacksonville Beach WTP Jacksonville Beach, FL 23,352 61 Clean
Wahiawa Honolulu, HI 23,348 0 Clean
Loves Park Loves Park, IL 23,335 237 Clean
Rolling Meadows Rolling Meadows, IL 23,329 36 Clean
City of Biloxi Biloxi, MS 23,310 1,315 Clean
Patterson, City Of Patterson, CA 23,304 8 Clean
Mansfield Water Division Mansfield, MA 23,289 26 Detected
Enumclaw Water Department Enumclaw, WA 23,276 39 Clean
Garden City (V) Garden City, NY 23,272 96 Detected
Western Pulaski Co Water District Somerset, KY 23,264 47 Clean
Stoneham Water Dept (Mwra Supply) Stoneham, MA 23,244 33 Clean
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