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the Voice of

the Merrimack

the Voice of

the Merrimack

the Voice of

the Merrimack

the Voice of

the Merrimack

what we do

Merrimack River Watershed Council is a local non-profit that focuses on making the Merrimack River cleaner, healthier, and more accessible. 

Our vision is a Merrimack River Watershed where community and nature flourish together.

Our mission is to improve and protect the health of the Merrimack River Watershed for all people and wildlife.


Upcoming Events

Current News

State releases its first report on sewer discharges

A new state law intended to increase public awareness of sewer discharges into Massachusetts rivers hit an important milestone this week, producing data to help the public gauge how the Merrimack stacks up against other rivers where discharges occur. The Massachusetts...

MRWC names new executive director

MRWC names new executive directorLAWRENCE -- Curt Rogers has joined the Merrimack River Watershed Council as its new executive director. “We are excited to have Curt join the MRWC team,” said board President Sarah Boehm. “Curt's experience leading other non-profit...

June Reflections from our New Hampshire Americorps Member

They say that all rivers run to the sea. And for that matter, all lakes run into rivers. The headwaters of the Merrimack river begin in New Hampshire’s lakes region, and I like to think that with the inclusion of the Merrimack River Watershed Council as a service site...

Officials to address contamination in Merrimack River with new federal funding

April 25th 2022: MRWC has been awarded $352,000 from Congress to pinpoint sources of pollution along the Merrimack, and to craft "green infrastructure" projects to help prevent contaminants from entering the river. Read the full story from the Lowell Sun.

Boston Herald “Baker Signs Bill Forcing Alerts of Sewage Dumps”

“This legislation has been
in the making for about a decade. It’s been a long battle for transparency about this public health issue,”

Merrimack River Watershed Council applauds passage of Sewage Public Notification Law

Merrimack River Watershed Council (MRWC) applauds Gov. Charlie Baker for signing into law a bill that will require sewage plants to quickly inform the public whenever they release untreated sewage into a river.

MRWC reaction to upcoming CSO project in Manchester

Lawrence, MA – In an interview with Newburyport Daily News reporter Heather Alterisio, Executive Director of the Merrimack River Watershed Council (MRWC) Matthew Thorne commented on the upcoming project in Manchester, NH to reduce Combined Sewer Overflows. In short,...

MRWC selected to host 2020-21 TerraCorps (AmeriCorps) position!

TerraCorps, an AmeriCorps affiliated environmental nonprofit, has selected MRWC to be a Service Site for the 2020-21 TerraCorps program year. This partnership will allow MRWC to host one Land Stewardship/Community Engagement Coordinator in a full-time 11-month service...

MRWC Joins Lawsuit Against Recent Clean Water Rollbacks

The Merrimack River Watershed Council has joined CLF, NRDC, Mass Audubon and Connecticut River Conservancy in a lawsuit against EPA clean water rollbacks.

Combined Sewer Overflow 101

Current NewsCombined Sewer overflow 101 Source: MRWC YouTubeThe Merrimack River Watershed Council's John Macone and Dan Graovac answer member questions on Combined Sewer Overflows (CSO's). To help in our fight against CSO's, join as a member or donate to the cause! ...


Support Aquatic Wildlife Today!

You can purchase a specialty environmental license plate that will support the Massachusetts Environmental Trust. Learn about the three different types of specialty environmental plates.