| Water/Wastewater System |
County |
| Auburn Water & Sewerage District |
Androscoggin |
| Lewiston Auburn Water Pollution Control Authority |
Androscoggin |
| Livermore Falls Water District |
Androscoggin |
| Sabattus Sanitary and Water District |
Androscoggin |
| Ashland Water & Sewer District |
Aroostook |
| Caribou Utilities District |
Aroostook |
| Fort Fairfield Utilities District |
Aroostook |
| Houlton Water Company |
Aroostook |
| Limestone Water & Sewer District |
Aroostook |
| River's Bend Mobile Home Park |
Aroostook |
| Brunswick & Topsham Water District |
Cumberland |
| Brunswick Sewer District |
Cumberland |
| Harrison Water District |
Cumberland |
| Yarmouth Water District |
Cumberland |
| Chick Hill Pollution Control – Town of Rangeley |
Franklin |
| Eustis Water Department |
Franklin |
| Farmington Water Pollution Control Facility |
Franklin |
| Rangeley Water District |
Franklin |
| Strong Water District |
Franklin |
| Clinton Water District |
Kennebec |
| Gardiner Water District |
Kennebec |
| Greater Augusta Utility District |
Kennebec |
| Kennebec Water District |
Kennebec |
| Monmouth Water Association |
Kennebec |
| Winthrop Utilities District |
Kennebec |
| Port Clyde Water District |
Knox |
| Thomaston Pollution Control Department |
Knox |
| Boothbay Harbor Sewer District |
Lincoln |
| Boothbay Region Water District |
Lincoln |
| Great Salt Bay Sanitary District |
Lincoln |
| Waldoboro Utility District |
Lincoln |
| Wiscasset Water District |
Lincoln |
| Andover Water District |
Oxford |
| Bethel Water District |
Oxford |
| Canton Water District |
Oxford |
| Mexico Water District |
Oxford |
| Paris Utility District |
Oxford |
| Rumford Water District |
Oxford |
| Bangor Wastewater Treatment Plant |
Penobscot |
| Bangor Water District |
Penobscot |
| Lincoln Water District |
Penobscot |
| Mattawamkeag Wastewater Treatment Facility |
Penobscot |
| Newport Water District |
Penobscot |
| Old Town Water District |
Penobscot |
| Bath Water District |
Sagadahoc |
| Anson Water District |
Somerset |
| Belfast Water District |
Waldo |
| Searsport Water District |
Waldo |
| Milbridge Water District |
Washington |
| Passamaquoddy Water District |
Washington |
| Alfred Water District |
York |
| Berwick Sewer District |
York |
| Kennebunk, Kennebunkport & Wells Water District |
York |
| Kennebunk Sewer District |
York |
| Keywood Manor |
York |
| Kittery Water District |
York |
| Ogunquit Sewer District |
York |
| Wells Sanitary District |
York |
| York Sewer District |
York |
| York Water District |
York |