Welcome to Mousam Lake Region Association

The Mousam Lake Region Association is organized for the purpose of preserving and protecting the natural character of Mousam Lake and its surroundings. We are particularly focused on monitoring and enhancing water quality and educating people about the responsible use of the lake as a public recreational facility for today and for future generations. Mousam Lake Region Association is a 501(c)3 nonprofit organization.

Please keep the MLRA in mind when choosing to donate to charitable organizations.

As a 501(c)3 nonprofit, your donations to the MLRA are tax deductible and go towards maintaining the water quality of the Mousam Lake Region. 

Conservation Initiatives

  • 2017 Watershed Survey

    2017 Watershed Survey

    The report, designed for citizens living in Mousam Lake Watershed, provides the results and analysis of a soil erosion survey conducted in 2017.

    More Information »

  • Rules & Regulations

    Rules & Regulations

    These rules & regulations were established to create an environment of safe & courteous use of the lake that will ensure maximum enjoyment for all.

    More Information »

  • Water Quality

    Water Quality

    This testing has been performed on Mousam since 1974 and provides a great resource for information about the water quality of the Mousam watershed over time.

    More Information »

Current News and Lake Announcements | View All »

  • ASYCC Annual Report


    ASYCC Annual Report

    The Acton Shapleigh Youth Conservation Corps has issued its annual report showing their efforts on behalf of Mousam Lake.

  • Final DEP Report on Diesel Spill March 21, 2022


    Final DEP Report on Diesel Spill March 21, 2022

    Maine Department of Environmental Protection Final Report on Diesel Spill, March 21, 2022

Our Gallery | View All »

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help us keep our lake great for everyone