Massachusetts has 8,000 miles of rivers.

We're leading the charge to protect them all.

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Latest Blog Posts

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🚨ACTION ALERT- Protect Rivers and Water Supplies during Drought

The Drought Bill is Mass Rivers' top priority for this legislative session and we need your help to get legislators to cosponsor the bill!

Map of parcels in Greater Boston that would be regulated under the Residual Designation Authority.

Stormwater Spotlight Part 2: A New Type of Permit To Protect Your Favorite River

Explore the EPA's Residual Designation Authority for stormwater permitting and how it impacts us in Massachusetts.

Upcoming Events

Dam Busters 201

2025 I Virtual

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What's happening to our rivers?

Nearly everyone lives within a few miles of a river, but most of us don't know the problems they face. Learn about local river issues and what Mass Rivers is doing to champion solutions.

How can you enjoy your local river?

We have a lot of rivers in Massachusetts and a lot of opportunities to enjoy them! Explore all the ways you can get outside near or on a river.

What's the latest river news?

Check out all the freshest river news for the 8,000 miles of rivers here in Massachusetts.

How can you get involved?

It takes a village to save a river. Find out about our events and learn how you can help.

What does your river mean to you?

Folks across the state tell us why their local river is so special.

Looking for recreational opportunities in your watershed?

Explore Your Rivers