Tatnuck Brook Watershed Association

Protecting Tatnuck Brook and Our Local Watersheds

Welcome! – The Tatnuck Brook Watershed Association is a nonprofit group organized to restore, to preserve, and to maintain the environmental, water, and recreational quality of the Tatnuck Brook Watershed. Through volunteer stewardship, community events, and public education, we work to keep these waters healthy for the wildlife, neighbors, and future generations who depend on them.

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  TBWA and Local Schools: A Science PartnershipAugust 3, 2026
  For the fourth year in a row, TBWA members, along with volunteers from the city’s Lakes and Ponds Program, Clark University, and Worcester State University, hosted Science Day at Coes Reservoir for… Read more: TBWA and Local Schools: A Science Partnership
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  Successful Weed Pulling Event on July 11July 17, 2026
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  Water Chestnut PullJune 19, 2026
  Keeping the invasive Water Chestnut under control is an ongoing task! The city’s Lakes and Ponds program is sponsoring a hand pull to remove plants in the northern end of Coes on… Read more: Water Chestnut Pull