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Charles River Cleanup Registration


Charles River Conservancy

We hope you will join us for a safe and fun way to get outside and give back to the parks that have given us so much! Cleanup events will be taking place April 21 and April 22, from 10 a.m. – 12 p.m. and groups will be assigned their own stretch of the Charles River Basin (Cambridge, Watertown, and Allston/Brighton) to cleanup.


Register your group, family, or as an individual here.


If you have any questions please reach out to Sasha at

Charles River Watershed Association

Registration for Individuals, Families, Non-Profits, and Schools

Individuals, families, and small groups are encouraged to participate in this year’s Charles River Cleanup on Saturday, April 22nd, 2023.


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. Trash bags, picker-uppers, gloves, and other cleanup materials will be supplied to those who wish to participate. To support CRWA’s mission of protecting and preserving the Charles River, we would greatly appreciate a suggested donation of $5 per person.


Register as an individual or family with the CRWA here.


Registration for Large Groups and Corporations

Each group can register for a two-hour time slot on either April 21st or April 22nd, 2023. Please make sure to check out our Group Fees and Sponsorship Benefits.


Register for a large group or corporation with the CRWA here.

Emerald Necklace Conservancy

Celebrate Earth Day by joining the Emerald Necklace Conservancy in cleaning the Muddy River, the central waterway of the Emerald Necklace parks and a major tributary to the Charles! Each year, the Muddy River Cleanup is the largest single volunteer event in the Emerald Necklace, Boston's largest park system.


All cleanup events will take place from 10:00AM-12:00PM on Saturday, April 22.


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. For more information on meeting locations and site capacities, please visit:


If you have questions or would like more information, please visit the Emerald Necklace Conservancy’s website or email We hope to see you there!


Esplanade Association

Join us for this year’s 2023 Charles River Earth Day Cleanup on the Esplanade on Saturday, April 22nd from 10am to 12pm!

If you are interested in bringing a group to volunteer at the Charles River Clean Up, please complete our request form using this link. Individual volunteers can now sign-up via our Eventbrite! 

If you have any questions regarding this year’s cleanup or volunteering on the Esplanade, contact Volunteer and Programs Coordinator, Pablo Brenes-Coto, at

Waltham Land Trust

The Waltham Land Trust is excited to welcome folks the Watch City on Saturday, April 22, to remove litter and invasive plants from banks of the Charles. Registration is on their website here.

Volunteer Engagement Fees

Coordinating the Charles River Cleanup has both operational and material costs for the Cleanup’s program partners. 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 mandatory fee is based on the size of your group. Additionally, we ask for a small suggested donation from individual and non-profit participants to assist with event costs.

Corporate Groups

  • Groups of 10-24 = $1,500

  • Groups of 25-49 = $2,000

  • Groups of 50-74 = $2,500

  • Groups of 75-100 = $3,000

  • Groups of 100+ = Please Inquire

Non-profits and Schools

We suggest a small donation for non-profits and schools to help support the execution of this day. Please inquire with your host site for more information.


Individuals who would like to participate alone or with friends and family are more than welcome! We suggest a donation of $5 per person to participate.

*If you have a group that is interested in participating and these levels are too high for you, we do not want to deter you from joining us this year! Please reach out to the Cleanup Coordinator in your chosen region to discuss participation.

**If you are a non-profit or community group, we suggest a donation of $5 per person. 

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