What's new at Mass Rivers?

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

Learn about Mass Rivers' 2025-2026 Legislative Priorities for our advocacy to protect and restore rivers in Massachusetts.

Learn about how stormwater pollution is regulated in Massachusetts through an MS4 Permit and what you can do to help!

Learn about the process behind drought declarations, the key decision-makers, and the factors they consider.

Massachusetts rivers and streams are not adequately protected under state rules, according to a letter issued by the U.S. EPA on Oct 18th.

The Massachusetts legislative session just ended. Learn about Mass Rivers advocacy work and where our priorities ended up!

The EPA is moving to limit PFAS in drinking water. Learn about the history of PFAS and other steps needed to be taken to ensure clean water.

Thank you all for getting the word out to your state senators about the sewage notification bill (H.4921)! We heard from so many offices...

MA House Passes Bill to Alert Residents of Sewage Overflows into Waterways (BOSTON) – The Massachusetts House of Representatives has...

We are delighted to share that last evening, under the leadership of bill lead sponsor Rep. Campbell and co-lead Rep. Provost, the...

Please join us in calling your state representative today (7/27) or tomorrow morning (7/28) before 10 am to help pass the sewage...

We want to recognize Congresswoman Lori Trahan for her tremendous advocacy for water infrastructure funding in the latest U.S. House...

Background: As you may recall from our recent action alert, Governor Baker recently filed a bill (H.4650, “An Act to Mitigate Arbovirus...

BOSTON – 144 elected and appointed municipal leaders from 61 communities today urged Massachusetts House leadership to move a bill...

The Environmental Protection Agency (EPA) and the Army Corps of Engineers are proposing to significantly narrow the scope of protections...

When it rains, stormwater floods our state’s aging sewer systems. This mix of stormwater and wastewater can discharge into rivers and...

Stormwater drain in East Cambridge.

When it rains, stormwater floods our Commonwealth’s aging sewer systems. This mix of stormwater and wastewater can discharge into rivers...

Could harm water quality. The majority of the environmental community is strongly opposed to this bill because it will provide no...

Connecticut River Conservancy Ipswich River Watershed Association Jones River Watershed Association OARS – Organization for the Assabet,...