Maine Tap Water Quality
Explore tap water quality data for counties across Maine. View water system reports, track violations, monitor drinking water safety, and check fluoridation status in your community.
Total Counties
265
Communities with public water systems
Total Population
691,464
Residents served by public water systems
Water Systems
449
Public water systems statewide
Serious Violators
8
Systems with serious violations
Counties
265
With water systems
Population
691,464
Served by water systems
Water Systems
449
Total water systems
Violators
8
Systems with serious violations
Searching by your address yields the most accurate results. Searching by town or water system may not show all systems due to how the EPA categorizes data. Some towns may be listed under counties, and water system boundaries don't always align with town boundaries.
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Maine Counties
Abbot
Population: 362
Water Systems: 1
Addison
Population: 168
Water Systems: 1
Alfred
Population: 1,204
Water Systems: 3
Alton
Population: 118
Water Systems: 2
Andover
Population: 283
Water Systems: 1
Anson
Population: 1,825
Water Systems: 1
Arundel
Population: 452
Water Systems: 4
Ashland
Population: 713
Water Systems: 1
Auburn
Population: 17,245
Water Systems: 1
Augusta
Population: 3,174
Water Systems: 5
Avon
Population: 325
Water Systems: 1
Baileyville
Population: 1,688
Water Systems: 1
Bangor
Population: 4,054
Water Systems: 2
Bar Harbor
Population: 4,443
Water Systems: 1
Bath
Population: 2,043
Water Systems: 2
Belfast
Population: 3,014
Water Systems: 3
Belmont
Population: 90
Water Systems: 1
Benton
Population: 158
Water Systems: 2
Berwick
Population: 4,431
Water Systems: 3
Bethel
Population: 1,640
Water Systems: 1
Biddeford
Population: 19,370
Water Systems: 1
Bingham
Population: 551
Water Systems: 1
Blue Hill
Population: 220
Water Systems: 3
Boothbay
Population: 9,250
Water Systems: 1
Bowdoin
Population: 63
Water Systems: 1
Bowdoinham
Population: 738
Water Systems: 1
Brewer
Population: 1,941
Water Systems: 3
Bridgton
Population: 3,351
Water Systems: 4
Bristol
Population: 53
Water Systems: 1
Brooks
Population: 60
Water Systems: 1
Brownville
Population: 979
Water Systems: 3
Brunswick
Population: 12,504
Water Systems: 5
Buckfield
Population: 425
Water Systems: 1
Bucksport
Population: 1,923
Water Systems: 4
Buxton
Population: 86
Water Systems: 2
Calais
Population: 2,733
Water Systems: 1
Camden
Population: 3,369
Water Systems: 2
Canton
Population: 316
Water Systems: 2
Cape Elizabeth
Population: 12,909
Water Systems: 1
Caribou
Population: 4,653
Water Systems: 6
Carmel
Population: 200
Water Systems: 2
Carrabassett Valley
Population: 3,115
Water Systems: 1
Casco
Population: 80
Water Systems: 1
Castine
Population: 1,056
Water Systems: 2
Caswell
Population: 45
Water Systems: 1
Charleston
Population: 567
Water Systems: 2
Chelsea
Population: 3,008
Water Systems: 1
Cherryfield
Population: 97
Water Systems: 1
Chesterville
Population: 75
Water Systems: 1
China
Population: 165
Water Systems: 3
Clifton
Population: 5,642
Water Systems: 2
Clinton
Population: 1,125
Water Systems: 1
Columbia
Population: 50
Water Systems: 1
Columbia Falls
Population: 50
Water Systems: 1
Coplin Plt
Population: 237
Water Systems: 1
Corinna
Population: 190
Water Systems: 2
Corinth
Population: 361
Water Systems: 5
Cornish
Population: 753
Water Systems: 1
Cumberland
Population: 12,909
Water Systems: 1
Dallas Plt
Population: 316
Water Systems: 1
Damariscotta
Population: 984
Water Systems: 2
Danforth
Population: 373
Water Systems: 1
Deer Isle
Population: 60
Water Systems: 1
Dennysville
Population: 43
Water Systems: 1
Dexter
Population: 2,338
Water Systems: 1
Dixfield
Population: 1,415
Water Systems: 1
Dover Foxcroft
Population: 2,328
Water Systems: 1
Dresden
Population: 146
Water Systems: 2
Durham
Population: 75
Water Systems: 1
Eagle Lake
Population: 585
Water Systems: 1
East Machias
Population: 45
Water Systems: 1
East Millinocket
Population: 2,125
Water Systems: 1
Easton
Population: 133
Water Systems: 3
Eastport
Population: 1,062
Water Systems: 1
Eddington
Population: 5,642
Water Systems: 2
Eliot
Population: 233
Water Systems: 1
Ellsworth
Population: 3,910
Water Systems: 1
Embden
Population: 1,825
Water Systems: 1
Eustis
Population: 237
Water Systems: 1
Exeter
Population: 25
Water Systems: 1
Fairfield
Population: 4,553
Water Systems: 4
Falmouth
Population: 12,909
Water Systems: 1
Farmington
Population: 4,125
Water Systems: 2
Fort Fairfield
Population: 2,025
Water Systems: 1
Fort Kent
Population: 1,673
Water Systems: 2
Franklin
Population: 488
Water Systems: 2
Freeport
Population: 3,418
Water Systems: 5
Frenchville
Population: 143
Water Systems: 1
Friendship
Population: 85
Water Systems: 1
Fryeburg
Population: 2,085
Water Systems: 1
Gardiner
Population: 8,000
Water Systems: 1
Glenburn
Population: 325
Water Systems: 3
Gorham
Population: 13,762
Water Systems: 3
Grand Isle
Population: 278
Water Systems: 1
Gray
Population: 2,468
Water Systems: 1
Greenbush
Population: 90
Water Systems: 1
Greene
Population: 65
Water Systems: 1
Greenville
Population: 1,278
Water Systems: 1
Greenwood
Population: 160
Water Systems: 1
Guilford
Population: 387
Water Systems: 2
Hallowell
Population: 2,138
Water Systems: 1
Hampden
Population: 8,499
Water Systems: 2
Hancock
Population: 516
Water Systems: 5
Harpswell
Population: 127
Water Systems: 2
Harrington
Population: 333
Water Systems: 1
Harrison
Population: 813
Water Systems: 1
Hartland
Population: 910
Water Systems: 1
Hebron
Population: 145
Water Systems: 1
Hermon
Population: 4,138
Water Systems: 6
Hiram
Population: 331
Water Systems: 1
Hodgdon
Population: 32
Water Systems: 1
Holden
Population: 2,373
Water Systems: 6
Hollis
Population: 282
Water Systems: 5
Houlton
Population: 4,913
Water Systems: 3
Howland
Population: 1,025
Water Systems: 1
Indian Twp Saint Ind Rs
Population: 267
Water Systems: 1
Island Falls
Population: 463
Water Systems: 1
Jackman
Population: 1,108
Water Systems: 1
Jay
Population: 1,353
Water Systems: 2
Jonesport
Population: 75
Water Systems: 2
Kenduskeag
Population: 245
Water Systems: 2
Kennebunk
Population: 11,887
Water Systems: 1
Kennebunkport
Population: 11,887
Water Systems: 1
Kingfield
Population: 950
Water Systems: 1
Kittery
Population: 14,250
Water Systems: 1
Lagrange
Population: 60
Water Systems: 1
Lamoine
Population: 265
Water Systems: 1
Lebanon
Population: 320
Water Systems: 2
Leeds
Population: 50
Water Systems: 1
Levant
Population: 75
Water Systems: 1
Lewiston
Population: 23,793
Water Systems: 2
Liberty
Population: 45
Water Systems: 1
Limerick
Population: 740
Water Systems: 2
Limestone
Population: 1,110
Water Systems: 3
Limington
Population: 133
Water Systems: 1
Lincoln
Population: 3,550
Water Systems: 1
Lincolnville
Population: 121
Water Systems: 2
Lisbon
Population: 7,075
Water Systems: 1
Litchfield
Population: 25
Water Systems: 1
Livermore
Population: 2,968
Water Systems: 1
Livermore Falls
Population: 298
Water Systems: 1
Lubec
Population: 1,775
Water Systems: 1
Lyman
Population: 190
Water Systems: 2
Machias
Population: 1,559
Water Systems: 2
Machiasport
Population: 63
Water Systems: 1
Madawaska
Population: 2,727
Water Systems: 1
Madison
Population: 1,825
Water Systems: 1
Manchester
Population: 3,073
Water Systems: 2
Mapleton
Population: 62
Water Systems: 1
Mars Hill
Population: 1,500
Water Systems: 1
Mattawamkeag
Population: 33
Water Systems: 1
Mechanic Falls
Population: 2,125
Water Systems: 1
Mexico
Population: 2,425
Water Systems: 1
Milbridge
Population: 405
Water Systems: 1
Millinocket
Population: 5,400
Water Systems: 1
Milo
Population: 1,750
Water Systems: 1
Monmouth
Population: 671
Water Systems: 2
Monson
Population: 290
Water Systems: 1
Monticello
Population: 33
Water Systems: 1
Montville
Population: 50
Water Systems: 1
Morrill
Population: 145
Water Systems: 1
Moscow
Population: 851
Water Systems: 2
Mount Desert
Population: 2,468
Water Systems: 2
Mount Vernon
Population: 70
Water Systems: 1
Naples
Population: 98
Water Systems: 2
New Gloucester
Population: 130
Water Systems: 1
New Portland
Population: 120
Water Systems: 1
New Sharon
Population: 320
Water Systems: 2
New Sweden
Population: 60
Water Systems: 1
Newburg
Population: 60
Water Systems: 1
Newcastle
Population: 934
Water Systems: 1
Newport
Population: 1,900
Water Systems: 1
Norridgewock
Population: 1,055
Water Systems: 1
North Berwick
Population: 1,825
Water Systems: 1
North Haven
Population: 740
Water Systems: 1
North Yarmouth
Population: 3,980
Water Systems: 1
Northport
Population: 3,684
Water Systems: 2
Norway
Population: 2,000
Water Systems: 1
Oakfield
Population: 123
Water Systems: 1
Oakland
Population: 6,982
Water Systems: 3
Old
Population: 7,498
Water Systems: 1
Orono
Population: 6,003
Water Systems: 4
Orrington
Population: 5,705
Water Systems: 3
Owls Head
Population: 3,294
Water Systems: 2
Oxford
Population: 950
Water Systems: 1
Palmyra
Population: 193
Water Systems: 1
Paris
Population: 3,000
Water Systems: 1
Parkman
Population: 362
Water Systems: 1
Parsonsfield
Population: 331
Water Systems: 1
Patten
Population: 390
Water Systems: 1
Pembroke
Population: 40
Water Systems: 1
Penobscot
Population: 38
Water Systems: 1
Perry
Population: 1,062
Water Systems: 1
Phillips
Population: 325
Water Systems: 1
Pittsfield
Population: 3,228
Water Systems: 1
Pittston
Population: 148
Water Systems: 3
Plymouth
Population: 150
Water Systems: 1
Poland
Population: 243
Water Systems: 3
Porter
Population: 331
Water Systems: 1
Portland
Population: 12,909
Water Systems: 1
Presque Isle
Population: 6,445
Water Systems: 5
Princeton
Population: 387
Water Systems: 3
Rangeley
Population: 404
Water Systems: 2
Rangeley Plt
Population: 316
Water Systems: 1
Raymond
Population: 12,959
Water Systems: 2
Readfield
Population: 54
Water Systems: 1
Richmond
Population: 1,390
Water Systems: 1
Rockland
Population: 3,239
Water Systems: 1
Rockport
Population: 3,367
Water Systems: 5
Rumford
Population: 4,250
Water Systems: 1
Sabattus
Population: 1,720
Water Systems: 2
Saco
Population: 19,370
Water Systems: 1
Saint Agatha
Population: 60
Water Systems: 2
Saint Francis
Population: 100
Water Systems: 1
Saint George
Population: 678
Water Systems: 2
Sandy River Plt
Population: 316
Water Systems: 1
Sanford
Population: 14,375
Water Systems: 4
Sangerville
Population: 362
Water Systems: 1
Scarborough
Population: 12,994
Water Systems: 3
Searsport
Population: 2,763
Water Systems: 1
Sedgwick
Population: 27
Water Systems: 1
Shapleigh
Population: 210
Water Systems: 1
Skowhegan
Population: 6,515
Water Systems: 3
Solon
Population: 475
Water Systems: 1
Sorrento
Population: 308
Water Systems: 1
South Berwick
Population: 2,114
Water Systems: 2
South Portland
Population: 12,909
Water Systems: 1
South Thomaston
Population: 43
Water Systems: 1
Southwest Hbr
Population: 2,480
Water Systems: 1
Standish
Population: 13,944
Water Systems: 4
Starks
Population: 55
Water Systems: 1
Stockton Springs
Population: 98
Water Systems: 1
Stonington
Population: 724
Water Systems: 2
Strong
Population: 500
Water Systems: 1
Swanville
Population: 75
Water Systems: 1
Thomaston
Population: 3,239
Water Systems: 1
Topsham
Population: 9,576
Water Systems: 5
Turner
Population: 438
Water Systems: 4
Union
Population: 288
Water Systems: 2
Unity
Population: 198
Water Systems: 3
Van Buren
Population: 2,190
Water Systems: 1
Vassalboro
Population: 7,604
Water Systems: 4
Veazie
Population: 3,871
Water Systems: 1
Vinalhaven
Population: 1,053
Water Systems: 1
Waldoboro
Population: 1,133
Water Systems: 3
Wales
Population: 40
Water Systems: 1
Warren
Population: 3,894
Water Systems: 2
Washburn
Population: 688
Water Systems: 1
Waterboro
Population: 4,123
Water Systems: 5
Waterville
Population: 4,361
Water Systems: 1
Wells
Population: 12,928
Water Systems: 8
West Bath
Population: 1,897
Water Systems: 1
West Paris
Population: 605
Water Systems: 1
Westbrook
Population: 12,909
Water Systems: 1
Wilton
Population: 2,375
Water Systems: 1
Windham
Population: 12,909
Water Systems: 1
Windsor
Population: 85
Water Systems: 1
Winslow
Population: 4,361
Water Systems: 1
Winter Harbor
Population: 700
Water Systems: 1
Winterport
Population: 763
Water Systems: 1
Winthrop
Population: 5,676
Water Systems: 3
Wiscasset
Population: 3,027
Water Systems: 4
Woolwich
Population: 2,872
Water Systems: 2
Yarmouth
Population: 3,980
Water Systems: 1
York
Population: 13,400
Water Systems: 1