Member Profile

Green Mountain Conservation Group

Founded in 1997, the Green Mountain Conservation Group is both a land trust and a leader in environmental advocacy and education in the Ossipee Watershed.  The organization owns three tracts of conservation land and holds 14 conservation easements covering close to 2,500 acres in East Central New Hampshire and Western Maine.  GMCG has become a platform for citizens across the Ossipee region to learn about and mediate environmental issues of all kinds, particularly the long-term protection of the fragile Ossipee Aquifer, NH's largest stratified drift aquifer.  It is the only organization conducting comprehensive year-round water testing of the Ossipee Lake System and the Ossipee River. For the past 17 years, GMCG has collaborated with Maine’s Saco River Corridor Commission on a volunteer Water Quality Monitoring Program providing base-line water quality data for the entire two-state Ossipee/Saco watershed and 26 towns. 

Through its Best Management Practices (BMP) program GMCG collaborates with environmental engineers and NH DES to design innovative and effective models of erosion control and pollution containment.  A long-term goal is to inspire every lakeside and riverside landowner to learn about and adopt these often simple and affordable measures to improve and protect water quality.  GMCG’s highly regarded youth environmental education programs are offered in over a dozen elementary, middle and high schools in NH and western Maine. These include the GET WET! groundwater testing curriculum; Volunteer Biological Assessment Program (macroinvertebrate sampling and identification); Trout in the Classroom; and the Less Plastics Initiative.  As the convener of the Ossipee Aquifer Advisory Committee, GMCG works to advance public awareness regarding threats to the aquifer and encourages municipalities to promote and enforce effective groundwater protection standards.

To learn more visit or call 603-589-1859.  Visitors are welcome year-round to the Blue Heron House and walking trail at the Patricia & Charles H. Watts II Conservation Center on the Ossipee River in Effingham. The Center hosts frequent environmental education programs and guided nature walks September through May and weekly programs during the summer.  Winter 2020 hours are 9am - 2pm Monday thru Friday.

Posted on: Tuesday, January 21, 2020

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