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EWG's Tap Water Database

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Utility name City People served
Broad Creek Millersville Population served: 23,179
Chapel Hill - Aberdeen Proving Grounds Aberdeen Population served: 15,000
City of Aberdeen Aberdeen Population served: 16,200
City of Annapolis Annapolis Population served: 35,000
City of Baltimore Baltimore Population served: 1,600,000
City of Bowie Bowie Population served: 25,000
City of Cambridge Cambridge Population served: 15,000
City of Cumberland Cumberland Population served: 23,600
City of Frederick Frederick Population served: 54,000
City of Frostburg Frostburg Population served: 11,000
City of Hagerstown Hagerstown Population served: 88,000
City of Havre De Grace Havre De Grace Population served: 14,000
City of Rockville Rockville Population served: 46,500
City of Salisbury Salisbury Population served: 30,343
City of Westminster Westminster Population served: 35,256
Crofton-Odenton Millersville Population served: 62,986
Easton Utilities Easton Population served: 16,118
Fort George G. Meade Laurel Population served: 62,234
Freedom District Westminster Population served: 24,867
Glen Burnie-Broadneck Millersville Population served: 290,606
Harford County Department of Public Works Abingdon Population served: 104,567
Howard County Department of Public Works Columbia Population served: 247,000
Lexington Park Hollywood Population served: 41,537
Maryland American Water Company Bel Air Population served: 13,200
New Design - Frederick County Frederick Population served: 46,769
Ocean Pines Berlin Population served: 11,890
Patuxent Naval Air Station (NAVFAC-WASH) Patuxent River Population served: 22,000
Town of Elkton Elkton Population served: 12,458
Town of Ocean City Ocean City Population served: 30,000
Waldorf La Plata Population served: 82,400
Washington Suburban Sanitary Commission Silver Spring Population served: 1,800,000