Working for clean water, healthy ecosystems and lasting quality of life in the Flathead watershed in northwest Montana.

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The Flathead Watershed

What you can do to protect Flathead Lake and clean water.

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Stay Informed

  • Oil and Water Don't Mix


    Learn about the threat of an oil train derailment and spill for the clean waters and unique landscapes of the Flathead Watershed in northwest Montana.

    Watch the video, share it, and get involved in the Flathead Lakers work to protect the Middle Fork Flathead River here!

  • Call to Action

    Call To Action

    The 65th Montana Legislature is now in session and debating the state's response to finding invasive mussels in Montana and necessary funding.  Read the state's Invasive Mussel Framework here.

    Please join us and write to your senator, representative, and Governor Bullock to express your concern over the threat of invasive mussels to the Flathead watershed, and support funding to help prevent the spread of invasive mussels.

    Copy and paste our 'sample letter to your legislators' (pdf and doc) and put it into your own words to easily contact your legislators.  Let's let Helena hear how important our Montana waters are to us!

    Legislators' contact information

    Send legislator web message

    Send Governor Bullock web message

  • Science on Tap-Flathead

    Join us February 7 at the Flathead Lake Brewing Co. for a screening of 'Oil and Water Don't Mix', a look at the threat of Bakken crude oil transported along the Middle Fork.

    Visit for upcoming speakers and archived video of past events.

More Announcements >

Flathead Lake and Watershed

Click on the map for a larger image and to learn more about Flathead Lake and the Flathead Watershed.

Flathead Lakers P.O. Box 70 Polson, MT 59860 406-883-1346 Contact Us