Maryland — Drinking Water Quality
5 water systems · 4,181,331 people served · Avg score: 74
Water Systems
City of Baltimore
Baltimore, Maryland
1,600,000 people3 violations
F
Glen Burnie-Broadneck
Millersville, Maryland
290,606 people1 violation
D
Howard County D.p.w. Distribution
Columbia, Maryland
286,158 people
B
Harford County D.p.w.
Abingdon, Maryland
104,567 people
B
Washington Suburban Sanitary Commission
Laurel, Maryland
1,900,000 people
A