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
Wynn Resorts Las Vegas, NV 9,416 26 Clean
Clarksville Connected Utilities Clarksville, AR 9,410 8 Clean
Russell Springs Water & Sewer Russell Springs, KY 9,409 226 Detected
Hunters Glen MUD Houston, TX 9,405 8 Clean
Seneca Falls Seneca Falls, NY 9,400 110 Clean
Beecher Metropolitan District Flint, MI 9,400 13 Clean
Oak Brook Oak Brook, IL 9,400 54 Clean
Unalaska Water System Unalaska, AK 9,400 398 Clean
City of Pontotoc Pontotoc, MS 9,398 1,579 Clean
Lititz Boro Lititz, PA 9,397 73 Detected
Spring Lake Township Spring Lake, MI 9,393 10 Detected
Bondurant Muni Water Supply Bondurant, IA 9,393 27 Detected
Lewisburg Water Association Olive Branch, MS 9,390 260 Clean
Lyon Township New Hudson, MI 9,390 11 Clean
Kickapoo Traditional Tribe Eagle Pass, 06 9,384 98 Detected
City of Woodway Woodway, TX 9,383 54 Detected
Denison Water Supply Denison, IA 9,381 16 Clean
Middlebury Water Dept Middlebury, VT 9,379 23 Clean
Hayden Lake Irrigation Dist Hayden, ID 9,375 34 Clean
Big Stone Gap, Town Of Big Stone Gap, VA 9,372 76 Clean
Flossmoor Flossmoor, IL 9,371 21 Clean
Beaufort Co Southside Washington, NC 9,369 180 Clean
West Jefferson County MWD Beaumont, TX 9,367 99 Clean
Hcsa- Leigh Street Plant South Boston, VA 9,364 308 Clean
Marion, City Of Marion, NC 9,362 46 Clean
Ray County Cons PWSD 2 Richmond, MO 9,360 5 Clean
Belleview, City of (3 Wps) Belleview, FL 9,358 86 Detected
St Marys City St Marys, OH 9,356 11 Clean
Fruitport Township Fruitport, MI 9,355 8 Clean
Elkins City Of Elkins, WV 9,350 114 Clean
City of Amory Amory, MS 9,350 246 Clean
Willowbrook WSD Lakewood, CO 9,348 0 -
Ocean Shores Water Dept Hoquiam, WA 9,347 152 Clean
Cottage Grove Waterworks Cottage Grove, WI 9,345 19 Clean
Baxter Baxter, MN 9,341 7 Clean
Great Basin Water Co Spring Creek Spring Creek, NV 9,340 85 Clean
Angola Water Department Angola, IN 9,340 85 Detected
Taylor Water System Taylor, AL 9,339 10 Clean
Greenville Water Works Greenville, AL 9,336 58 Clean
Ringwood Water Department Ringwood, NJ 9,327 644 Detected
Tell City Water Department Tell City, IN 9,315 290 Detected
Incline Village Gid Incline Village, NV 9,313 32 Clean
Maunabo Urbano Maunabo, PR 9,310 564 Detected
Huron, City Of Huron, CA 9,306 117 Clean
Mountain City Water Dept Mountain City, TN 9,304 267 Detected
Newfane Town Wds Newfane, NY 9,304 2 Detected
Lansford Coaldale Jt Water Aut Lansford, PA 9,300 68 Clean
Rensselaer City PWS Rensselaer, NY 9,300 23 Clean
La Canada Irrigation Dist. La Canada, CA 9,300 5 Clean
Tolleson City Of Tolleson, AZ 9,300 120 Detected
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