Bear Pond Improvement Association - Non-profit organization whose goals is to maintain the health of Bear Pond, for the benefit of all. Provides pictures, news, survey, links, fundraising, and membership information. Located in Turner and Hartford.
Damariscotta River Association - Dedicated to preserving and promoting the natural, cultural and historic heritage of the Damariscotta River, and its watershed.
Gulf of Maine Summit - Provides interactive map for the various districts of the Gulf of Maine.
Maine Drinking Water Program - Covers ground water and gives location of roadside springs in the state of Maine.
Maine Harbors - Tide charts and related nautical information provided for southern coast, midcoast and downeast Maine. Weather and marine resource links for all mariners.
Maine Lakes Conservancy Institute - Environmental education organization dedicated to understanding, protecting, and sustaining the health and values of the state's lakes and the communities dependent upon them.
The Maine Rivers Site - News, discussion, pictures, and resources for people who care about rivers in Maine.
Maine Sea Grant - Seeks to promote marine science and education in the development, management and stewardship of marine and coastal resources.
Penobscot Bay Watch - Provides news and information concerning the waterway; includes events, laws, fisheries, tides, aquaculture, pictures, and web cams.
Water Resources of Maine - Provides current hydrologic conditions, groundwater data, products, state agencies, and contact information.
