Maine water providers

Find published drinking-water records, providers, and official agency resources for Maine. Review sources, sample dates, and coverage.

Official drinking-water resources

• Maine Department of Health and Human Services - Maine Center for Disease Control & Prevention - Division of Environmental and Community Health - Drinking Water Program

The responsible agency may differ for tribal systems. Record availability and sample dates vary by provider.

Community systems appear first. Sort: Population served · A–Z

Public water systems

1,861 systems in the imported directory. Includes community systems, schools, workplaces, and other public systems.

• Portland Water District-GreaterME0091300 · CWS · Population served: 135,068
• Maine Water Company Biddeford Saco DivME0090170 · CWS · Population served: 42,508
• Kennebunk, Kennebunkport & Wells WdME0090760 · CWS · Population served: 35,663
• Bangor Water DistrictME0090110 · CWS · Population served: 27,298
• Lewiston Water & Sewer DivisionME0090830 · CWS · Population served: 23,720
• Kennebec Water DistrictME0090750 · CWS · Population served: 22,060
• Maine Water Company Camden & RocklandME0090300 · CWS · Population served: 21,315
• Brunswick/Topsham Water DistrictME0090260 · CWS · Population served: 18,863
• Auburn Water DistrictME0090070 · CWS · Population served: 17,245
• Kittery Water DistrictME0090790 · CWS · Population served: 14,478
• Sanford Water DistrictME0091410 · CWS · Population served: 14,328
• Greater Augusta Utility DistrictME0090080 · CWS · Population served: 13,750
• York Water DistrictME0091680 · CWS · Population served: 13,675
• Bath Water DistrictME0090130 · CWS · Population served: 9,205
• Gardiner Water DistrictME0090610 · CWS · Population served: 9,000
• Brewer Water DepartmentME0090220 · CWS · Population served: 8,860
• Boothbay Region Water DistrictME0090200 · CWS · Population served: 8,448
• Yarmouth Water DistrictME0091670 · CWS · Population served: 8,000
• Old Town Water DistrictME0091200 · CWS · Population served: 7,648
• Lisbon Water DepartmentME0090870 · CWS · Population served: 6,643
• Presque Isle Utilities DistrictME0091310 · CWS · Population served: 6,128
• Maine Water Company Skowhegan DivisionME0091450 · CWS · Population served: 6,105
• Orono-Veazie Water DistrictME0091210 · CWS · Population served: 5,793
• Belfast Water DistrictME0090140 · CWS · Population served: 5,698
• Anson And Madison Water DistrictME0090930 · CWS · Population served: 5,568
• Maine Water Company Millinocket DivisionME0090990 · CWS · Population served: 5,400
• Houlton Water CompanyME0090700 · CWS · Population served: 4,735
• Hampden Water DistrictME0090660 · CWS · Population served: 4,628
• Town of Bar Harbor- Water DivisionME0090120 · CWS · Population served: 4,443
• Farmington Village Corp Water DeptME0090540 · CWS · Population served: 4,050
• Rumford Water DistrictME0091380 · CWS · Population served: 4,050
• Caribou Utilities DistrictME0090320 · CWS · Population served: 3,943
• Ellsworth Water DepartmentME0090520 · CWS · Population served: 3,910
• South Berwick Water DistrictME0091470 · CWS · Population served: 3,722
• Bridgton Water DistrictME0090230 · CWS · Population served: 3,660
• Lake Arrowhead Community IncME0090811 · CWS · Population served: 3,500
• Pittsfield Water DeptME0091280 · CWS · Population served: 3,228
• Lincoln Water DistrictME0090860 · CWS · Population served: 3,020
• Livermore Falls Water DistrictME0090880 · CWS · Population served: 2,995
• Paris Utility DistrictME0091230 · CWS · Population served: 2,940
• Maine Water Company Oakland DivisionME0091190 · CWS · Population served: 2,873
• Berwick Water DepartmentME0090150 · CWS · Population served: 2,845
• Wilton Water DepartmentME0091620 · CWS · Population served: 2,800
• Calais Water DeptME0090290 · CWS · Population served: 2,775
• Searsport Water DistrictME0091440 · CWS · Population served: 2,763
• Winthrop Utilities DistrictME0091650 · CWS · Population served: 2,750
• Madawaska Water DistrictME0090920 · CWS · Population served: 2,738
• Maine Water Company Freeport DivisionME0090580 · CWS · Population served: 2,700
• Southwest Harbor Water & Sewer DistrictME0091490 · CWS · Population served: 2,480
• Gray Water DistrictME0090620 · CWS · Population served: 2,468
• Mexico Water DistrictME0090970 · CWS · Population served: 2,425
• Dover-Foxcroft Water DistrictME0090470 · CWS · Population served: 2,400
• Dexter Utility DistrictME0090440 · CWS · Population served: 2,338
• Hallowell Water DistrictME0090650 · CWS · Population served: 2,300
• Van Buren Water DistrictME0091540 · CWS · Population served: 2,190
• Great Salt Bay Sanitary DistrictME0090410 · CWS · Population served: 2,143
• East Millinocket Water WorksME0091150 · CWS · Population served: 2,133
• North Berwick Water DistrictME0091120 · CWS · Population served: 2,125
• Passamaquoddy Water DistrictME0090510 · CWS · Population served: 2,125
• Fryeburg Water CompanyME0090600 · CWS · Population served: 2,085
• Fort Fairfield Utilities DistrictME0090550 · CWS · Population served: 2,025
• Mechanic Falls Water DeptME0090960 · CWS · Population served: 2,010
• Norway Water DistrictME0091180 · CWS · Population served: 2,000
• Wiscasset Water DistrictME0091660 · CWS · Population served: 1,970
• Newport Water DistrictME0091100 · CWS · Population served: 1,900
• Bethel Water DistrictME0090160 · CWS · Population served: 1,813
• Lubec Water DistrictME0090900 · CWS · Population served: 1,775
• Sugarloaf Water AssociationME0091690 · CWS · Population served: 1,730
• Milo Water DistrictME0091000 · CWS · Population served: 1,720
• Maine Water Company Bucksport DivisionME0090280 · CWS · Population served: 1,700
• Baileyville Utilities DistrictME0090100 · CWS · Population served: 1,688
• Mount Desert Water Dist NorthME0091140 · CWS · Population served: 1,623
• Fort Kent W & W DepartmentME0090560 · CWS · Population served: 1,578
• Sabattus Sanitary DistrictME0091580 · CWS · Population served: 1,550
• Guilford-Sangerville Utilities DistrictME0090640 · CWS · Population served: 1,535
• Mars Hill And Blaine Water CompanyME0090940 · CWS · Population served: 1,500
• Dixfield Water & Sewer DeptME0090460 · CWS · Population served: 1,415
• Machias Water CompanyME0090910 · CWS · Population served: 1,390
• Richmond Utilities DistrictME0091370 · CWS · Population served: 1,390
• Rangeley Water DistrictME0091330 · CWS · Population served: 1,378
• Maine Water Company Greenville DivisionME0090630 · CWS · Population served: 1,335
• Jackman Utility DistrictME0090730 · CWS · Population served: 1,125
• Maine Water Company Kezar Falls DivisionME0090770 · CWS · Population served: 1,115
• Oxford Water DistrictME0091220 · CWS · Population served: 1,100
• Bingham Water DistrictME0090180 · CWS · Population served: 1,075
• Waldoboro Water DeptME0091560 · CWS · Population served: 1,065
• Norridgewock Water DistrictME0091110 · CWS · Population served: 1,055
• Vinalhaven Water DistrictME0091550 · CWS · Population served: 1,053
• Maine Water Company Hartland DivisionME0090680 · CWS · Population served: 1,043
• Howland Water DepartmentME0090710 · CWS · Population served: 1,025
• Clinton Water DistrictME0090350 · CWS · Population served: 1,013
• Castine Water DepartmentME0090330 · CWS · Population served: 983
• Jay Village Water DistrictME0090740 · CWS · Population served: 975
• South Freeport Water DistrictME0091480 · CWS · Population served: 960
• Kingfield Water DistrictME0090780 · CWS · Population served: 950
• Limestone Water & Sewer DistrictME0090840 · CWS · Population served: 875
• Mount Desert Water Dist -SealME0091420 · CWS · Population served: 865
• Harrison Water DistrictME0090670 · CWS · Population served: 863
• Maine Water Company Warren DivisionME0091565 · CWS · Population served: 815
• Alfred Water DistrictME0090020 · CWS · Population served: 783