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Herring Monitoring Program Volunteer Training

  • Medford Boat Club 30 Lake Shore Drive Arlington, MA, 02474 United States (map)

The Herring Monitoring Program utilizes volunteer efforts to count herring passing through a fish ladder at the DCR Mystic Lakes Dam in Medford. Counting occurs each spring (April - June). All you have to commit to is a ten-minute shift, once per week. The data collected is used to estimate the total herring run size in the Mystic River and is shared with the MA-DMF to help inform trends across the Commonwealth. Last year the migration included over 600,000 herring! 

Be a part of this incredible ecological success story and register to become a volunteer today. 

Directions to the Medford Boat Club can be found here.

Questions? Contact our Communications and Outreach Manager, Erica Wood, at