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
Central Yazoo W/a #5 Yazoo City, MS 1,618 270 -
NW Kemper W/a #1-Preston Preston, MS 1,618 263 -
Speedway Superamerica LLC - US 35 #6661 Springfield, IN 1,618 23 -
Vienna Vienna, IL 1,618 458 -
John Day, City Of John Day, OR 1,617 15 -
Beckham Co RWD # 3 Elk City, OK 1,617 42 -
Shawnee Correctional Center Dieterich, IL 1,617 19 -
Gulls Way Campground Dagsboro, DE 1,617 26 -
Richgrove Community Services District Richgrove, CA 1,617 154 -
Newfield Water Department Wenonah, NJ 1,616 109 -
Obion Water Dept Obion, TN 1,615 34 -
Hopewell Consolidated WD #2 Canandaigua, NY 1,615 22 -
West Morris Central High Chester, NJ 1,615 33 -
Avondale WSD Pueblo, CO 1,615 65 -
McCurtain Co. RWD #5 (Hochatown) Broken Bow, OK 1,614 44 -
Mdot - Chelsea Rest Area Jackson, MI 1,614 20 -
Southland Utilities - Golden Acres Tucson, AZ 1,614 211 -
Bates County PWSD 6 Butler, MO 1,613 31 -
Brodhead Water Works Brodhead, KY 1,613 41 -
Grayville Grayville, IL 1,613 163 -
Earlville Earlville, IL 1,613 27 -
Belmont Water Dept Nashua, NH 1,612 21 -
Ovid, City Of Ovid, MI 1,612 44 -
Benld Benld, IL 1,612 87 -
City of Rollingwood Rollingwood, TX 1,611 22 -
Park Water Midland, TX 1,611 20 -
Thoreau West-John Willie Camp-Baca NTUA Ft Defiance, NN 1,611 58 -
Fox Lake Waterworks Fox Lake, WI 1,610 24 -
City of Franklin Franklin, TX 1,610 50 -
Turney Center Only, TN 1,610 126 -
Stephens Co RWD #3 (Meridian) Comanche, OK 1,610 128 -
Red Hook Water District #1 Town NY 1,610 6 -
Town of Vardaman Vardaman, MS 1,610 519 -
Oronoko Township Berrien Springs, MI 1,610 28 -
Tevco Jiffy Mart Westminster, MD 1,610 2 -
Corydon Water Supply Corydon, IA 1,610 1,441 -
Ralston Valley WSD Arvada, CO 1,610 2 -
Ludwig Water Association Clarksville, AR 1,610 24 -
Acoma Sky City Cultural Center Acoma, 06 1,610 10 -
Southside Mutual Domestic Water Aztec, NM 1,609 55 -
Woodburn Water Works Woodburn, IN 1,609 328 -
City of Morton Morton, TX 1,608 472 -
Acued. Bo. Guayabota Yabucoa, PR 1,608 810 -
S-W Branch Library Newton, NJ 1,608 17 -
Fin Feather Fur Outfitters Ashland, OH 1,607 135 -
Warsaw Warsaw, IL 1,607 106 -
East Canton Village PWS Louisville, OH 1,606 33 -
Hardin Water Department Hardin, KY 1,606 93 -
Woodland Hills City Woodland Hills, UT 1,605 430 -
The Resort at Eagle Mountain Lake Austin, TX 1,605 31 -

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