Maine Water Quality Ratings

TapWaterSafety has rated 1 public water systems in Maine, serving a combined 135,068 residents. The statewide average grade is B.

Data sources: EPA SDWIS EPA ECHO EWG Tap Water Database Utility CCRs ⓘ How did we get these ratings?
State average grade
B
84/100
Total utilities rated 1
Population served 135,068

Top water quality concerns in Maine

  • Haloacetic acids (HAA9) significantly above health guideline
  • Haloacetic acids (HAA5) significantly above health guideline

Cities in Maine

Browse tap water quality reports by city. Click any city to see its grade, what's in the water, and recommended filters.

CAPE ELIZABETH
B 135,068
CUMBERLAND
B 135,068
FALMOUTH
B 135,068
GORHAM
B 135,068
PORTLAND
B 135,068
RAYMOND
B 135,068
SCARBOROUGH
B 135,068
SOUTH PORTLAND
B 135,068
STANDISH
B 135,068
WESTBROOK
B 135,068
WINDHAM
B 135,068

Grade distribution

A
0 (0%)
B
1 (100%)
C
0 (0%)
D
0 (0%)
F
0 (0%)

All rated utilities in Maine

Sorted by score, highest first. Click any utility to see the full grade card.

Rank Utility City Population Score Grade
#1 PORTLAND WATER DISTRICT-GREATER SCARBOROUGH 135,068 84 B