Maryland
Water Quality Report
91 Excellent
Average Score
91/100
Water Systems
165
Population
5.4M
Violations
0 all resolved
Score Distribution
1 A
0 B
0 C
0 D
0 F
Lowest Scoring Water Systems
Counties in Maryland
Cities in Maryland
View all 91 cities →Popular City Comparisons in Maryland
Quickly compare major cities in Maryland by water quality score and grade.
Frequently Asked Questions
Is tap water in Maryland safe to drink?
Maryland has an average WaterQ score of 91/100 across 165 public water systems. Safety can vary by city and system, so check your local report for recent violations and contaminants.
How many water systems are in Maryland?
WaterQ currently tracks 165 public water systems in Maryland.
Where can I compare cities in Maryland?
Use the city list below to open detailed reports, or visit the compare tool to benchmark two cities side-by-side on score, grade, and system coverage.