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
Town of Westernport Westernport, MD 2,200 43 -
Town of Rising Sun Elkton, MD 2,200 78 -
Saint Marys College Millersville, MD 2,200 8 -
Mountain Hill Water Company Newark, MD 2,154 6 -
Town of Hurlock Hurlock, MD 2,150 21 -
Mountain Christian Church Joppa, MD 2,120 31 -
Adventist Healthcare Shady Grove Med Ctr Rockville, MD 2,100 0 -
Chesapeake Church Huntington, MD 2,050 12 -
Beaches Water Co-Operative St. Leonard, MD 2,000 35 -
Perry Point V.A. Medical Center Perry Point, MD 2,000 223 -
I-70 Rest Areas (Eastside and Westside) Annapolis, MD 2,000 0 -
Friendsville I-68 Rest Area Restroom Grantsville, MD 2,000 3 -
Johns Hopkins Hospital Baltimore, MD 2,000 6 -
Town of Hancock Hancock, MD 1,921 40 Clean
Highs Dairy Store Balitmore, MD 1,909 0 -
Mount Saint Marys University Emmitsburg, MD 1,900 166 -
Suburban Hospital Naperville, MD 1,900 0 -
Town of Greensboro Greensboro, MD 1,878 37 -
Town of Oakland Oakland, MD 1,850 187 -
Chopticon High School Loveville, MD 1,845 24 -
Wawa Foods #559 Jarrettsville, MD 1,823 1 -
Potomac Heights Indian Head, MD 1,800 93 -
Goose Creek and Westover Food Mart Westover, MD 1,800 0 -
Fire and Rescue Center Princess Anne, MD 1,800 19 -
Town of Rock Hall Rock Hall, MD 1,750 21 -
Leonardtown High School Loveville, MD 1,750 21 -
Town of New Windsor New Windsor, MD 1,732 21 -
Linganore High School Frederick, MD 1,722 22 -
Fort Smallwood Park Pasadena, MD 1,646 0 -
Tevco Jiffy Mart Westminster, MD 1,610 2 -
Sideling Hill State Park Exhibit Rt 68 W Hagerstown, MD 1,603 1 -
Town of Ridgely Ridgely, MD 1,600 24 -
Lakeside Village Hagerstown, MD 1,575 6 -
Knolls of Windsor Frederick, MD 1,553 0 -
Castaways Campground Berlin, MD 1,550 3 -
Huntingtown High School Prince Frederick, MD 1,540 0 -
Glenelg High School Ellicott City, MD 1,532 26 -
Town of Myersville Myersville, MD 1,516 21 -
Wawa #573 Dunkirk, MD 1,516 0 -
Waterside Frederick, MD 1,509 0 -
Springfield Hospital Distribution Sykesville, MD 1,500 104 -
Town of Pittsville Pittsville, MD 1,500 57 -
7 - Eleven - Prince Frederick Prince Frederick, MD 1,500 0 -
N. Dorchester Middle & High Schools Cambridge, MD 1,500 47 -
Deep Creek Lake State Park (Day Use) Grantsville, MD 1,500 0 -
Bushy Park Es/Glenwood MS Complex Ellicott City, MD 1,500 2 -
Royal Farms #206 Baltimore, MD 1,473 0 -
Scientists Cliffs Port Republic, MD 1,425 15 -
U.s.d.a. Agricultural Research Center Beltsville, MD 1,400 32 -
Southern High School Pasadena, MD 1,400 7 -
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