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Moselle

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  • Help GMCG Maximize NH Gives Impact on June 9-10

    Protecting clean water across all seven communities of the Ossipee Watershed Dear Friends, From June 9 at 5:00 PM through June 10 at 5:00 PM, GMCG will participate in NH Gives — New Hampshire’s largest statewide day of giving. Your donation during this 24-hour campaign can go even further through matching opportunities, incentive prizes, and increased visibility

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  • Pollinator Week BioBlitz June 22-28

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  • “Big Night” 2026 Salamander Brigade

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  • Annual Polar Plunge

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  • Winter Salt Awareness Week Brings Attention to Salt Pollution and Practical Solutions

    by Moselle Spiller GMCG Outreach Coordinator Winter Salt Awareness Week Brings Attention to Salt Pollution and Practical Solutions New Hampshire — Winter Salt Awareness Week 2026, held January 27–31, drew national attention to the growing problem of salt pollution and highlighted effective strategies for reducing its impact on freshwater resources. The week was a collaborative

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  • GMCG welcomes new AmeriCorps members for 2026 season

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  • Green Mountain Conservation Group partners with MDI Biological Laboratory and NH Department of Environmental Services to offer toxic metals testing and drinking water safety education in local schools

    GMCG is adding toxic metals education and testing to its drinking water program, GET WET! (Groundwater Education Through Water Evaluation and Testing), in area schools this year. GMCG has been leading the citizen science GET WET! program in local schools and libraries since 2009. The addition of toxic metals testing is made possible through the

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  • SIX lake-friendly bills need YOUR SUPPORT! (by Jan. 12!)

    A special message from NHLakes.org   This is the moment I’ve been waiting for–YOUR first opportunity to give your lake, and all our lakes, a voice during the 2026 New Hampshire Legislative Session!     This coming week, our lakes need YOU to stand up for SIX lake-friendly bills! These bills will help prevent harmful chemicals from

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  • Happy Holidays from GMCG

    Happy Holidays! As the year comes to a close, we want to extend our heartfelt gratitude to all our supporters. Your dedication to protecting our watershed makes a real difference for our communities and the environment. We look forward to continuing the good work of defending water protections, educating our community, and conserving land that

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  • GMCG Winter 2026 newsletter is online

    We hope you will enjoy this digital version of our winter 2026 newsletter The Watershed News. Click HERE to read it online or print yourself a copy.

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Green Mountain Conservation Group protects the lakes, rivers and groundwater of the greater Ossipee Watershed, its aquifer, land, and associated natural resources to ensure prosperous communities and a healthy ecosystem for all. 

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Effingham, NH 03882

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236 Huntress Bridge Rd.
Effingham, NH 03882

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The mission of GMCG is to promote an awareness of and appreciation for clean water and the wise use of shared natural resources across the Ossipee Watershed and advocate strategies to protect them.

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Contact Us
P.O. Box 95
Effingham, NH 03882
603.539.1859
info@gmcg.org

Visit Us
236 Huntress Bridge Rd.
Effingham, NH 03882

©2022 Green Mountain Conservation Group • Made for the love of the planet by TCB Agency

©2022 Green Mountain Conservation Group • Made for the love of the planet by TCB Agency

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