All water systems in Maine
1,869 systems
| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Portland Water District-Greater Cape Elizabeth, Cumberland, Falmouth and 8 more · Cumberland County |
135,068 | 0 | 0 | |
|
Maine Water Company Biddeford Saco Div Biddeford, Saco · York County |
42,508 | 0 | 0 | |
|
Kennebunk, Kennebunkport & Wells WD Kennebunk, Kennebunkport, Wells · York County |
35,663 | 2 | 0 | |
|
Bangor Water District Bangor, Clifton, Eddington and 4 more · Penobscot County |
27,298 | 2 | 0 | |
|
Lewiston Water & Sewer Division Lewiston · Androscoggin County |
23,720 | 0 | 0 | |
|
Kennebec Water District Fairfield, Oakland, Vassalboro and 2 more · Kennebec County |
22,060 | 2 | 0 | |
|
Maine Water Company Camden & Rockland Camden, Owls Head, Rockland and 3 more · Knox County |
21,315 | 0 | 0 | |
|
Brunswick/topsham Water District Brunswick, Topsham · Cumberland County |
18,863 | 0 | 0 | |
|
Auburn Water District Auburn · Androscoggin County |
17,245 | 0 | 0 | |
|
Kittery Water District Kittery · York County |
14,478 | 0 | 0 | |
|
Sanford Water District Sanford · York County |
14,328 | 0 | 0 | |
|
Greater Augusta Utility District Augusta, Chelsea, Manchester and 2 more · Kennebec County |
13,750 | 2 | 0 | |
|
York Water District York · York County |
13,675 | 0 | 0 | |
|
Bath Water District Bath, Brunswick, West Bath and 2 more · Sagadahoc County |
9,205 | 0 | 0 | |
|
Gardiner Water District Gardiner · Kennebec County |
9,000 | 1 | 1 | |
|
Brewer Water Department Brewer, Clifton, Eddington and 2 more · Penobscot County |
8,860 | 0 | 0 | |
|
Boothbay Region Water District Boothbay · Lincoln County |
8,448 | 0 | 0 | |
|
Yarmouth Water District North Yarmouth, Yarmouth · Cumberland County |
8,000 | 1 | 0 | |
|
Old Town Water District Old Town · Penobscot County |
7,648 | 0 | 0 | |
|
Lisbon Water Department Lisbon · Androscoggin County |
6,643 | 3 | 0 | |
|
Presque Isle Utilities District Presque Isle · Aroostook County |
6,128 | 0 | 0 | |
|
Maine Water Company Skowhegan Division Skowhegan · Somerset County |
6,105 | 0 | 0 | |
|
Orono-Veazie Water District Orono · Penobscot County |
5,793 | 1 | 0 | |
|
Belfast Water District Belfast, Northport · Waldo County |
5,698 | 0 | 0 | |
|
Anson and Madison Water District Anson, Embden, Madison · Somerset County |
5,568 | 3 | 1 | |
|
Maine Water Company Millinocket Division Millinocket · Penobscot County |
5,400 | 0 | 0 | |
|
Hampden Water District Hampden · Penobscot County |
4,800 | 0 | 0 | |
|
Houlton Water Company Houlton · Aroostook County |
4,735 | 2 | 0 | |
|
Town of Bar Harbor Water Division Bar Harbor · Hancock County |
4,443 | 0 | 0 | |
|
Farmington Village Corp Water Dept Farmington · Franklin County |
4,050 | 3 | 0 | |
|
Rumford Water District Rumford · Oxford County |
4,050 | 1 | 0 | |
|
Caribou Utilities District Caribou · Aroostook County |
3,943 | 2 | 0 | |
|
Ellsworth Water Department Ellsworth · Hancock County |
3,910 | 3 | 1 | |
|
South Berwick Water District Berwick, South Berwick · York County |
3,722 | 0 | 0 | |
|
Bridgton Water District Bridgton · Cumberland County |
3,660 | 1 | 1 | |
|
Lake Arrowhead Community INC Waterboro · York County |
3,500 | 2 | 0 | |
|
Pittsfield Water Dept Pittsfield · Somerset County |
3,228 | 3 | 0 | |
|
Lincoln Water District Lincoln · Penobscot County |
3,020 | 0 | 0 | |
|
Livermore Falls Water District Livermore · Androscoggin County |
2,995 | 0 | 0 | |
|
Paris Utility District Paris · Oxford County |
2,940 | 0 | 0 | |
|
Maine Water Company Oakland Division Oakland · Kennebec County |
2,873 | 0 | 0 | |
|
Berwick Water Department Berwick · York County |
2,845 | 1 | 0 | |
|
Wilton Water Department Wilton · Franklin County |
2,800 | 3 | 0 | |
|
Calais Water Dept Calais · Washington County |
2,775 | 0 | 0 | |
|
Searsport Water District Searsport · Waldo County |
2,763 | 1 | 0 | |
|
Winthrop Utilities District Winthrop · Kennebec County |
2,750 | 0 | 0 | |
|
Madawaska Water District Madawaska · Aroostook County |
2,738 | 0 | 0 | |
|
Maine Water Company Freeport Division Freeport · Cumberland County |
2,700 | 0 | 0 | |
|
Southwest Harbor Water & Sewer District Southwest Hbr · Hancock County |
2,480 | 1 | 1 | |
|
Gray Water District Gray · Cumberland County |
2,468 | 3 | 0 |
About this data
Rules violated counts the rules a system was in violation of in the past three years, including monitoring and reporting lapses; one rule can carry several violations. Unresolved is the number of those rules still in violation at EPA's latest data refresh.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Maine records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet. Retrieved from ECHO on Oct 11, 2026.