• Mission

      Mad River Alliance is a community driven group working to protect clean local water and the ecological integrity of the Mad River watershed for the benefit of its human and natural communities. Mad River Alliance is a 501(c)3 (Humboldt County, California).

      Additional information links 

      Harmful Algal Blooms in the North Coast

      Recent Posts

      • Steelhead Days #6 Coming Soon!
      • Earth Day River Clean Up
      • Steelhead Days #5, 2018

      Social Media

    • About Us

      Mad River Alliance is a community driven group working to protect clean local water and the ecological integrity of the Mad River watershed for the benefit of its human and natural communities. Mad River Alliance is a 501(c)3 (Humboldt County, California). If you’d like to become a part of Mad River Alliance, please email MRA Board of Directors at info@madriveralliance.org

      Interested in volunteering? Let us know by filling out this Volunteer Form

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      Check out our EVENTS page for recent activities, clean ups and misc events.
      Contact us on how you can help. Looking for sponsors to help us pay for
      the clean up equipment needed. Visit our DONATE page.

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      Important Publications: Click on links below to download
      • Mad River Summary Steelhead Dive Summary 2016 Report
      • 2016 Compliance Handbook, Cannabis Farmer’s Workshop Series PDF
      • Click here for the Mad River Summer Steelhead Dive Summary 2015 Report
      • Mad River Temperature Monitoring Study Summary Report: A preliminary overview of water temperature conditions in the Mad River Watershed. Final Version June 10, 2014

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      Thank you to all our SPONSORS who donated to Humboldt Steelhead Days Year #5!  For more information about HSD6, visit the Humboldt Steelhead Days website and or Facebook page.

      NEW! HSD Gear. Email us at info@madriveralliance.org for more info.

       

       


      Good Old Fashioned Hand Written Code by Eric J. Schwarz

        • About Us
        • Events
          • Steelhead Days #6, 2019
          • Earth Day Clean Up: April 21, 2018
          • Steelhead Days #5, 2018
          • Steelhead Days #4, 2017
          • Earth Day Clean Up: April 23, 2017
          • Earth Day Clean Up: April 23, 2016
        • Programs
          • Science & Monitoring
          • Community Education & Outreach
          • Conservation
        • Mad River
          • Maps & Database
        • Ways to Give
        • Contact Us
        • Press