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
Hunter Mill Estates Pump District Dover, DE 432 18 -
Yolo Co Housing Authority-El Rio Villa Woodland, CA 432 14 -
Craven Farm Water System Snohomish, WA 431 9 -
Seven Bays Estates Unlimited Marshall, WA 431 31 -
Countrywood Water System Conroe, TX 431 91 -
Clearview Elementary School Red Lion, PA 431 114 -
Greeley, Village Of Greeley, NE 431 12 -
Arlington, City Of Arlington, KS 431 141 -
Reed School Lockport, IL 431 243 -
Lds Church Malta Twin Falls, ID 431 16 -
Otho Water Supply Fort Dodge, IA 431 44 -
Knight Island Utilities, Inc. Placida, FL 431 40 -
Quassy Amusement Park Woodbury, CT 431 15 -
Evergreen Lake Company Cimarron, CO 431 38 -
Country Club Acres Water Inc Wickenburg, AZ 431 224 -
Birdsong Whitton Water Assoc Blytheville, AR 431 66 -
Trinity Ev Lutheran Church & School Marshfield, WI 430 142 -
Echo Glen Childrens Center Snoqualmie, WA 430 115 -
Royal Water District Othello, WA 430 75 -
Boydton, Town Of Boydton, VA 430 17 -
Stoney Creek Pearisburg, VA 430 25 -
Abb Power T & D Company, Inc. Bland, VA 430 22 -
Bluff Water Works Service District Bluff, UT 430 630 -
Skyline Mine Sandy, UT 430 16 -
Marathon Water Supply & Sewer Service Marathon, TX 430 29 -
Bgwc the Landings (3250063) Elgin, SC 430 4 -
Quehanna Motivational Bootcamp Karthaus, PA 430 226 -
Loves Travel Stop 731 Oklahoma City, PA 430 0 -
Loyalsock Valley Elementary Montoursville, PA 430 35 -
Towamensing Elementary Palmerton, PA 430 32 -
Selmet Inc/Rem Products Div Albany, OR 430 53 -
Fern Ridge Middle School Elmira, OR 430 24 -
Shelley Road-Crest Acres WD Coquille, OR 430 60 -
Chateau Estates MHP PWS Cincinnati, OH 430 110 -
Moniraes Inc Pennellville, NY 430 128 -
Springwater WD Lakeville, NY 430 78 -
Frontier Town Campground & Equestrian Ray Brook, NY 430 0 -
Links at Union Vale Golf Course Lagrangeville, NY 430 5 -
Heritage Village Retirement Campus Gerry, NY 430 136 -
Clarksville Water District Slingerlands, NY 430 63 -
Warren Haven Rehabilitation & Nursing CT Oxford, NJ 430 59 -
Quinton Twp Elem School Quinton, NJ 430 20 -
Camp North Woods Mirror Lake, NH 430 14 -
West Swanzey Water West Swanzey, NH 430 104 -
Cumberland Farms Westborough, NH 430 4 -
Reinke Manufacturing Company Inc Deshler, NE 430 7 -
Country Estates Water Supply Kalispell, MT 430 112 -
Copiah W/a - Bayou Pierre #2 Gallman, MS 430 72 -
Horace May Elementary School Bemidji, MN 430 4 -
Bean Elementary Spring Arbor, MI 430 26 -
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Download the SDWIS/UCMR5 state landscape snapshot cited on this page: sdwis-state-landscape.csv (same CSV as /statistics, CC0).