PlainWater

Public Water Systems

3,215 active public water systems in MD, 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
Deep Creek Lake Water Service Area Mountain Lake Park, MD 5,502 2 -
Lavale Sanitary Commission Lavale, MD 5,500 54 Clean
Maryland American Water--Severn System Bel Air, MD 5,447 15 Clean
Town of Chestertown Chestertown, MD 5,400 190 Clean
Midland-Lonaconing Lonaconing, MD 5,000 85 Clean
Town of Chesapeake Beach Chesapeake Beach, MD 5,000 7 Clean
Town of Leonardtown Leonardtown, MD 5,000 38 -
Western Region Allegany Distrib. System Cumberland, MD 4,955 10 Clean
Town of Manchester Manchester, MD 4,954 140 Detected
Chesapeake Complex Pasadena, MD 4,785 8 Clean
Town of Denton Denton, MD 4,500 9 Clean
Town of Delmar Delmar, MD 4,500 3 Clean
Town of Berlin Berlin, MD 4,500 158 Detected
Town of Perryville Perryville, MD 4,413 196 Clean
Prince Frederick Prince Frederick, MD 4,371 15 Clean
Town of Middletown Middletown, MD 4,288 37 Detected
Boonsboro - Keedysville Boonsboro, MD 4,250 147 Detected
Town of Indian Head Indian Head, MD 4,100 22 Clean
City of Pocomoke City Pocomoke City, MD 4,100 38 Clean
The Provinces Dunkirk, MD 3,991 6 Clean
Solomons Prince Frederick, MD 3,811 12 Clean
Town of Charlestown Willards, MD 3,791 49 -
Elkton West Newark, MD 3,500 47 Clean
Eastern Correctional Institute Millersville, MD 3,500 11 Clean
Town of Centreville Centreville, MD 3,322 102 Clean
Naval Support Facility, Indian Head Indian Head, MD 3,321 58 Clean
Town of Princess Anne Princess Anne, MD 3,300 305 Clean
Country Lakes California, MD 3,016 8 -
Town of North Beach North Beach, MD 3,000 32 -
Town of Mountain Lake Park Oakland, MD 3,000 42 -
City of Crisfield Chrisfield, MD 2,976 9 -
Manor Shopping Center Phoenix, MD 2,921 137 Detected
Shoppes at Apple Greene Pittsburgh, MD 2,818 12 -
Cedar Cove California, MD 2,728 5 -
Town of St. Michaels St Michaels, MD 2,650 88 -
Bel Air - Pinto Distribution System Dunkirk, MD 2,614 14 -
Fountaindale South Frederick, MD 2,610 4 -
Wawa Inc Store#556 Wawa, MD 2,520 5 -
Town of Smithsburg Distribution System Smithsburg, MD 2,500 90 -
Harford Community College - Main Campus Bel Air, MD 2,500 237 -
McDonalds Columbus, MD 2,499 26 -
Northern Middle & High Schools Prince Frederick, MD 2,470 24 -
Town of Federalsburg Federalsburg, MD 2,450 9 -
Wakefield Valley Westminster, MD 2,436 15 -
Town of Snow Hill Snow Hill, MD 2,409 100 -
Lake Village Townhomes Severn, MD 2,400 5 -
Town of Emmitsburg Emmitsburg, MD 2,400 66 -
Town of Williamsport Distribution System Williamsport, MD 2,400 20 -
Greenridge Subdivision Dunkirk, MD 2,271 10 -
Herald Harbor Millersville, MD 2,241 6 -
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