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Your community, your watershed.

The Mystic River Watershed Association's mission is to protect and restore the Mystic River, its tributaries and watershed lands for the benefit of present and future generations and to celebrate the value, importance and great beauty of these natural resources.

The Mystic River Watershed is a network of rivers, streams and lakes that drain into the Mystic River.

Mystic Greenways

The Mystic Greenways Initiative will connect 20 miles of paths, improve hundreds of acres of parkland and engage thousands of community members from the Mystic Lakes to the Boston Harbor. We are working collaboratively with federal and state agencies, dozens of municipalities and many local community groups and citizens to create this important park system, which will ultimately provide mobility, economic development and public and environmental health benefits.

In 2017, ninety trained citizen scientists counted the largest number of herring since the monitoring program began, documenting another strong Mystic River herring migration at an estimated 630,000 fish!

Over the past several weeks, construction crews have been working to create a living shoreline along the southwest edge of the Wynn property, something that MyRWA strongly advocated for during the planning and design phase.

Testing by the Massachusetts Department of Public Health (DPH) confirmed that there were cyanobacteria cell counts above state thresholds in the Mystic River near Blessing of the Bay in Somerville and in Upper Mystic Lake.

Explore Your Watershed with the Mystic Quest

As part of our 45th anniversary celebration this year, MyRWA has created the Mystic Quest, a fun way to explore, discover and enjoy the watershed! Activities are listed by location and category: Arts, History, Engagement, Nature/Wildlife, Landmarks and Recreation.

Help Count Herring

You can help document one of the most amazing wildlife migrations in Massachusetts! Watch a short video of river herring via an underwater video camera at the Mystic Lakes fish ladder and tell us how many fish you see. Together, we can collect valuable data about this important species. Head to the Herring Education website to get started!