Join naturalist and wild food enthusiast Russ Cohen and CRWA staff on a walk to learn about at least 18 species of edible wild plants in the Charles River watershed.

Join CRWA staff and Wellesley’s Natural Resources Commission Director Brandon Schmitt for a guided walk along the restored Fuller Brook. You’ll learn how to use iNaturalist to catalog flora and fauna, collecting vital community science data for our “BioBlitz” biological survey.

Join CRWA for our Biological Monitoring training! Volunteers will learn how to conduct a habitat assessment, sample for macroinvertebrates, and identify them.

Join CRWA and Indigenous Peoples Day (IPD) Newton for the third annual Quinobequin Intertribal Paddle on Saturday, June 28, on the Auburndale section of the Charles River!

Join our June 25 public meeting to learn more about the final designs for this vital project and discover how you can get help to improve water quality and protect Needham from future flooding!

Join our public meeting at the Bruce C. Bolling Municipal Building to learn about the project, how you can provide input, and future efforts to build capacity among citizens and community groups that want to see more green infrastructure in the City of Boston.

Join this one-hour virtual workshop to learn more about local flood risks, how to get prepared, and help shape nature-based solutions for your community.

Join the Charles, Mystic, and Neponset River Watershed associations for a collaborative event where each group will reveal this year’s water quality grades and highlight the progress made toward cleaner rivers across Greater Boston.

Join us on Monday, June 16, for a community water chestnut removal in Redwing Bay in Needham!

Discover how the Charles River Watershed Association and local communities are working together on innovative solutions to manage future flooding from climate change as part of our regional flood initiative.

Join us for a free presentation and Q&A at the Josephine A. Fiorentino Community Center to discuss the Allston Multimodal (I-90) Project and design options to improve water quality and naturalize the riverbank. Light refreshments will be served. 

Join us Saturday, June 7th to help us clear the Charles of invasive Water Chestnuts and restore our River!

The fast-growing, aquatic invasives spread rapidly across the river, reducing biodiversity, harming water quality, and impeding recreation. But with your help, we can remove water chestnuts & restore the river ecosystem.

Join us on Saturday, May 24th to remove dangerous invasive Bittersweet vines!

These fast-growing, tenacious vines threaten native species & mature trees. But with your help, we can remove them & restore the river ecosystem.

Join CRWA Senior Stormwater Program Manager Max Rome and Newton Conservators for a discussion of Cheesecake Brook’s history, condition, and current and future opportunities for restoration.

Join Charles River Watershed Association and Luis Perez Demorizi, Newton’s Director of Parks & Open Space, for a guided tour of the recently completed bank restoration and public access improvements along Crystal Lake.

Join us for our annual celebration of fish migration for an afternoon of free, family fun! 

Join the Town of Natick and Charles River Watershed Association for a guided walk exploring how stormwater moves through Natick and affects our community.

CRWA presents the 41st Run of the Charles, Boston’s premier paddling race!

Join us to learn how updated stormwater regulations can enhance climate resilience, protect water quality, and reduce flood risks in the Charles River Watershed.

Kick off Earth Month with a fun river trivia night at Portico Brewing!

Join us for a day of advocacy, camaraderie, and conversation—connect with legislators, gain co-sponsorship support, enjoy lunch, and make waves along the way!

Want to participate in the 2025 herring count? Join this training session to learn about the Charles River herring and how to be a fish monitoring volunteer!

Every spring, Charles River Watershed Association looks forward to connecting with you and other river lovers at our Annual Meeting to celebrate our impact, together, for a clean, resilient Charles River.

Please join us in person on Thursday, March 27th at 6PM for an evening full of inspiration!

Help envision a clean, flowing Muddy River! Join us for a collaborative workshop exploring options to improve water quality and reduce stormwater pollution in the Muddy River.

This year, the town will implement a flood storage project to mitigate flooding, improve water quality, and support a healthier ecosystem. Join our upcoming public meeting to learn more about this transformative project and ways you can participate!

Help us keep the Charles River invasive-free! Join us on February 11th.

This winter, the town will launch an exciting new project to enhance flood protection along Alder Brook. Join the public meeting to learn more about the plans for this important project and discover how you can get involved in protecting Needham from future flooding!

Join us ​​Thursday, January 30, at ​7 PM to hear about flood mitigation solutions​ identified in this project and their potential impact on future flooding​ across the watershed.

On January 22, 2025, the Cities of Cambridge and Somerville and the Massachusetts Water Resources Authority (MWRA) will host a public meeting about the current state of CSOs in the Charles and Mystic Rivers.