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Charles River Cleanup Registration

Get involved this spring! These organizations each contribute to the Annual Charles River and Muddy River Day Cleanup and focus on restoring various locations along the river. 


If you are interested in volunteering at a specific location, please follow up with the organization hosting a volunteer event at your preferred destination. Scroll down to see a map of each site. 


We hope you’ll join us in giving back to the parks that have given us so much! Cleanup events will take place April 19 and April 20, from 10 A.M. – 12 P.M. Groups will be assigned their own stretch of the Charles River Basin (Cambridge, Watertown, and Allston/Brighton) to clean up.


If you have any questions please reach out to Sasha at

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By volunteering with CRWA, you have the opportunity to clean up in various locations throughout the Upper Watershed, including Newton, Weston, Wellesley, Dedham, and more areas.

For questions please reach out to Ryan at

Celebrate Earth Day by joining the Emerald Necklace Conservancy in cleaning the Muddy River! We’ll be working in at least one site in each of the Conservancy-managed Emerald Necklace Parks: Charlesgate Park, the Back Bay Fens, Riverway Park, Olmsted Park, Jamaica Pond Park, and Franklin Park. 

Join us for this year’s 2024 Charles River Earth Day Cleanup on the Charles River Esplanade from the Museum of Science to BU Bridge.

Join us Saturday, April 20, to remove trash and invasive plants from the banks of the Charles in Waltham

Volunteer Engagement Fees

One of the largest river cleanups in the country, the Charles River Cleanup draws more than 4,500 volunteers. This complex event requires materials and coordination from the Cleanup’s program partners – all nonprofit organizations working to improve water and greenspace quality in the greater Boston area. Because of this, we ask our corporate and for-profit volunteer groups to support our management of this great event with a tax-deductible donation to the organization hosting your work site. This donation is mandatory and is based on the size of your group. Similarly, we ask that individuals and non-profit participants consider supporting the event with an optional donation. All donations are fully tax-deductible and support the Charles River Cleanup and the missions of our partner organizations. Thank you!


Corporate and institutional partners that sign up between February 1st – February 15th will receive a $500 discount

Individuals and Community Groups

Thousands of friends, families and Charles River neighbors roll up their sleeves every year to make the Charles River Cleanup a success! Individuals are encouraged to participate alone or with friends and family. We suggest a donation of $10 per person to cover the cost of materials and coordination. All donations to the event are fully tax-deductible

Corporate Groups

  • Groups of 1-10 = $2,000

  • Groups of 11-20 = $4,000

  • Groups of 21-30 = $6,000

  • Groups of 31-40 = $8,000

  • Groups of 41-50 = $10,000

  • Groups of 51-60 = $12,000

  • Groups of 61-70 = $14,000

  • Groups of 70+ = Please Inquire

Small Non-Profits

The Cleanup's partner organizations have varied policies on non-profit donation rates. For more information, please reach out to the partner organization hosting at your preferred Cleanup site.

Program Partners

The Charles River Cleanup is made possible by the following organizations:

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