Water quality by city
Water quality in Maryland
EPA drinking-water records for 75 public water systems across 59 Maryland cities — the contaminants found and the certified filters that remove them. Pick your city for its full report.
Know your ZIP? Go straight to your water report.
Check by ZIP → Frederick ·PFAS 4 systems Berlin ·PFAS 3 systems Millersville 3 systems Aberdeen ·PFAS 2 systems Annapolis 2 systems Bel Air ·PFAS 2 systems Ellicott City ·PFAS 2 systems Indian Head 2 systems North East ·PFAS 2 systems Perryville 2 systems Prince Frederick 2 systems Westminster ·PFAS 2 systems Abingdon 1 system Baltimore ·PFAS 1 system Boonsboro ·PFAS 1 system Bowie 1 system Brunswick 1 system California 1 system Cambridge 1 system Centreville 1 system Chesapeake Beach 1 system Chestertown 1 system Columbia ·PFAS 1 system Cumberland 1 system Delmar 1 system Denton 1 system Dunkirk 1 system Easton 1 system Elkton ·PFAS 1 system Fort Meade 1 system Frostburg 1 system Fruitland ·PFAS 1 system Gaithersburg 1 system Hagerstown 1 system Hampstead ·PFAS 1 system Havre De Grace 1 system La Plata 1 system Laurel ·PFAS 1 system Lavale 1 system Leonardtown 1 system Lonaconing 1 system Lusby 1 system Manchester ·PFAS 1 system Middletown ·PFAS 1 system Mount Airy ·PFAS 1 system Ocean City 1 system Patuxent River 1 system Phoenix ·PFAS 1 system Pocomoke City 1 system Poolesville ·PFAS 1 system Potomac 1 system Princess Anne 1 system Rising Sun 1 system Salisbury ·PFAS 1 system Stevensville 1 system Taneytown ·PFAS 1 system Thurmont ·PFAS 1 system Walkersville 1 system Willards 1 system