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Earth Day Celebration at Wachusett Brewing Company

Cheers to clean water! Come by to check out our raffle of local prizes, live music, and a brand new custom Mass Rivers beer (it’s a honey blonde ale!) to celebrate.

A portion of the proceeds of the new beer will directly support our work to protect rivers and streams - it's the most refreshing way to help the environment this Earth Day


April 22
3:00 - 7:00 PM

175 State Rd E, Westminster, MA

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Mass Rivers Connects

We host recurring calls for professionals in our member organizations to talk to others in the same role - whether that be scientists, executive directors, fundraisers, or others - to increase knowledge sharing and best practices among our community. 

These are spaces to learn, share, and stay connected. 

Outreach & Communications 
3rd Friday of the month - 11 AM


Executive Directors
2nd Tuesday of the month - 4 PM


3rd Monday of the month - 2 PM
3rd Wednesday of the month - 3 PM


Water Policy & Advocacy
4th Tuesday of the month - 10 AM


Scientists / Monitoring
2nd Wednesday of the month - 2 PM


Small but Powerful

(Organizations with zero or one staff)
4th Tuesday of the month - 11 AM 
3rd Tuesday of the month - 4 PM


If you are a member organization and would like to join, contact Julia.


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The 4th Biennial
Lobby for the Rivers Day

Be the Voice for Rivers! 

Join river advocates from around the state as we meet with state legislators to share our river stories and ask for strong environmental protections.

March 15, 2023

Massachusetts State House, Boston

End of Summer Celebration 2022!
Sep 11, 2022, 3:00 PM
Hale Reservation
An afternoon outdoors with food, boating, a live band, and community! Celebrate a year of success and enjoy scenic Hale Reservation. We can't wait to see you there!

Funding for Nature & Climate Lobby Day

In the offseason of our Lobby for the Rivers Day, we're partnering with statewide conservation groups to host a Lobby Day focused on investing in statewide nature & climate programs. 

We'll organize small group meetings with legislators and provide talking points. All you need to do is bring your voice! 


Kick off & workshop: June 21 on Zoom

Lobby Day: June 22 at the State House

Register to participate >>

Ripples of Hope: 
3 Short Films,
Made in Mass

Trillium Studios is a local family filmmaking team creating content for non-profit organizations, educators, and anyone trying to make local change. 

On April 14, we spoke with the team about how they started working on water and climate change, and the impact they hope their films have.

Check out the films (between 5-8 min) >>

Stormwater Spotlight: Greater Boston

Three local experts explain how their organizations are tackling stormwater,


Thanks to Mystic River Watershed Association​, Charles River Watershed Association, Neponset River Watershed Association, and Greater Boston Trout Unlimited.

Q&A from this event >>

Read more on how stormwater impacts our rivers >>

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Lobby for the Rivers Day

2021 was our largest lobby for the rivers day yet, over 150 river advocates met with their legislators to talk about pressing environmental issues. Thank you to all who participated!

Visit our Advocacy Toolkit to hone your skills >>


Mass Rivers teamed up with 5 local artists to hear how they incorporate environmental themes into their work. 

See the Fall 2020 event line up & conversations >>

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