Maine
Water Quality Report
87 Good
Average Score
87/100
Water Systems
92
Population
641,671
Violations
104 15 unresolved
Score Distribution
16 A
2 B
2 C
0 D
1 F
Lowest Scoring Water Systems
0
Vinalhaven Water District F
ME0091550 Poland, ME 1,053 served
65
Lisbon Water Department C
ME0090870 Lisbon, ME 6,643 served
74
Kennebec Water District C
ME0090750 Waterville, ME 22,060 served
88
Maine Water Company Hartland Division B
ME0090680 Poland, ME 1,043 served
88
Bangor Water District B
ME0090110 Bangor, ME 27,298 served
Counties in Maine
Cities in Maine
View all 72 cities →Popular City Comparisons in Maine
Quickly compare major cities in Maine by water quality score and grade.
Frequently Asked Questions
Is tap water in Maine safe to drink?
Maine has an average WaterQ score of 87/100 across 92 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 Maine?
WaterQ currently tracks 92 public water systems in Maine.
Where can I compare cities in Maine?
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.