Lists all Maines rivers, issues, gauge and information pertinent to use of river.

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.

Dedicated to preserving and promoting the natural, cultural and historic heritage of the Damariscotta River, and its watershed.

Provides interactive map for the various districts of the Gulf of Maine.

Provides information relative to coastal waters, lakes, groundwater, streams and rivers.

Covers ground water and gives location of roadside springs in the state of Maine.

Tide charts and related nautical information provided for southern coast, midcoast and downeast Maine. Weather and marine resource links for all mariners.

Environmental education organization dedicated to understanding, protecting, and sustaining the health and values of the state's lakes and the communities dependent upon them.

Seeks to promote marine science and education in the development, management and stewardship of marine and coastal resources.

University of Maine and other agencies are working to monitor and study wetlands. This not only provides a foundation for managing them, but fascinating discoveries in the process.

Provides news and information concerning the waterway; includes events, laws, fisheries, tides, aquaculture, pictures, and web cams.

News, discussion, pictures, and resources for people who care about rivers in Maine.

USGS website provides current hydrologic conditions, groundwater data, products, state agencies, and contact information.