WaterQ

City Water Quality Rankings in Maine

75 cities ranked by drinking water quality.

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Popular city water quality comparisons

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Trending Cities

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#25
Mechanic Falls
County, ME
96 A
#26
New Gloucester
County, ME
96 A
#27
Newport
County, ME
96 A
#28
Rumford
County, ME
96 A
#29
Bangor
County, ME
94 A
#30
Belfast
County, ME
94 A
#31
Boothbay
County, ME
94 A
#32
Buxton
County, ME
94 A
#33
Lincoln
County, ME
94 A
#34
Orono
County, ME
94 A
#35
Pittsfield
County, ME
94 A
#36
Saco
County, ME
94 A
#37
South Berwick
County, ME
94 A
#38
Damariscotta
County, ME
93 A
#39
Van Buren
County, ME
93 A
#40
Fort Fairfield
County, ME
92 A
#41
Kittery
County, ME
92 A
#42
Portland
County, ME
92 A
#43
Wilton
County, ME
92 A
#44
Wiscasset
County, ME
92 A
#45
Augusta
County, ME
91 A
#46
Caribou
County, ME
91 A
#47
Bath
County, ME
90 A
#48
Howland
County, ME
90 A

Frequently Asked Questions

How are city water quality rankings calculated in Maine?

WaterQ city rankings are based on EPA SDWIS data across local public water systems, including contaminant detections, compliance violations, and recency-weighted score signals.

Can I compare two cities in Maine?

Yes. Use the city comparison links on this page or open the Compare tool to evaluate two cities side by side on score, grade, and water system coverage.

How often does WaterQ refresh city data?

City-level metrics refresh when new EPA data is processed. Check city pages for latest score and violation context.

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