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
Bloomingdale Water Works Bloomingdale, IN 562 680 -
Maxson Manor Oregon, IL 562 9 -
Dorchester Dorchester, IL 562 79 -
Carlock Carlock, IL 562 203 -
Gilpin County School Windsor, CO 562 113 -
Okolona Waterworks Okolona, AR 562 73 -
Minong Waterworks Minong, WI 561 285 -
Yorkville School Union Grove, WI 561 215 -
Sno PUD 1 - Sunday Lake Everett, WA 561 30 -
Key Center Water System Gig Harbor, WA 561 21 -
Parham Landing New Kent, VA 561 3 -
Ranch Oaks Subdivision Austin, TX 561 90 -
Montalba WSC Montalba, TX 561 97 -
Corsica Corsica, SD 561 46 -
La Pica Jayuya, PR 561 92 -
Hiland WC - Illahe Golf Club Estates Newberg, OR 561 129 -
Osage Co RWD # 5 Barnsdall, OK 561 598 -
Church of the Assumption New Egypt, NJ 561 0 -
The Hampshires S/D Cornelius, NC 561 67 -
Stagecoach S/D Cary, NC 561 16 -
Erving Water Dept Erving, MA 561 12 -
Converse Water System Converse, LA 561 218 -
Badger Water Supply Badger, IA 561 49 -
Radcliffe Municipal Water Radcliffe, IA 561 141 -
Costilla County WS San Luis, CO 561 116 -
Jacumba Community SD Jacumba, CA 561 14 -
Apple Market Two Thermal, CA 561 37 -
Jamestown-Rio Vista W&S District Green River, WY 560 2 -
Kieler SD No 1 Kieler, WI 560 19 -
Tahuyeh Lake Community Club Port Orchard, WA 560 193 -
Locust Grove Town Center Locust Grove, VA 560 28 -
Natural Bridge of Virginia Natural Bridge, VA 560 118 -
The Church in Houston Houston, TX 560 7 -
White River MWD Spur, TX 560 42 -
Discover Church Castroville, TX 560 34 -
Lockhart Town of (Sc4420010) Lockhart, SC 560 100 -
Harts Cove and Tory Pointe (Sc3750029) Seneca, SC 560 0 -
McCurtain Municipal Authority McCurtain, OK 560 527 -
Ottawa Co RWD #6 Miami, OK 560 240 -
Pottawatomie County RWD #3 Shawnee, OK 560 297 -
Central Bridge Water District Central Bridge, NY 560 710 -
Four Seasons Water Company Hopewell Junction, NY 560 120 -
Jean Utility Services Inc Las Vegas, NV 560 17 -
Gsk Biologicals Hamilton, MT 560 20 -
Town of Weir Weir, MS 560 264 -
Cedar Springs Elementary School House Springs, MO 560 24 -
Higbee PWS Higbee, MO 560 84 -
Kandiyohi Kandiyohi, MN 560 1 -
Central Montcalm Upper Elementary Stanton, MI 560 15 -
Camelot Campground East Well Jones, MI 560 0 -

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