Learn about this year’s Mystic river herring migration — the largest number counted since we began monitoring in 2012! Photo: Joyce Maxwell

Sue Denham, a MyRWA Herring Monitor, narrates her experience at Mystic Lakes Dam during an early morning herring monitoring shift.

MyRWA and other advocates ask you to demand clean rivers, free of sewage.

Read about the great feats our volunteers and partners are doing to protect and restore our watershed.

Summer 2025 fellow and Belmont local, Ry Emmert tracks water as it journeys from Clay Pit Pond to Boston Harbor through our watershed.

This summer, the Resilient Mystic Collaborative released a report presenting a vision for the industrial, tidal section of the Mystic River.