Earth Day 2026 Alewife Path Clean-up & CSO Tour
March 26, 2026
Join us at 10 am on Saturday morning, April 25th for our Earth Day Alewife Greenway Path Clean-Up and CSO Tour. We will gather trash along the
The good news is MONEY and community support. The Massachusetts Water Resources Authority voted in favor of a commitment of $340 million at Alewife Brook.
Sewer Separation and Green Infrastructure is the Solution. During intense rains, Cambridge discharges tens of millions of gallons of raw sewage into Alewife Brook through
Deer Island Wastewater Treatment Plant and digester domes peeking out from behind the clouds. Shot from a plane out of Logan, Thanksgiving 2025. Photo credit:
Amazing news. This week MassDEP told Massachusetts Water Resources Authority to halt its plans. Those plans would increase the amount of sewage at Alewife Brook,
This week, on 11/13/2025, the Somerville City Council voted unanimously to pass a CSO Funding Resolution. This decision sends a message to the State Delegation
On March 7, 2025, advocates from many watershed and community groups formed the Coalition to End Sewage Pollution. These organizations include the Mystic River Watershed Association,
Great news! At the urging of Chair Councillor Patty Nolan, the Health & Environment Committee of the Cambridge City Council voted unanimously to push forward
The Health and Environment Committee of the Cambridge City Council will meet on Tuesday afternoon, September 9th. They will discuss ways to improve the city’s
A new report was published by the Commonwealth last week, on 08/21/2025. It calls for an End to Sewage Pollution, through elimination of combined sewer
Please send an email to the State House to End Sewage Pollution. Do you live near Alewife Brook? Do you use the Alewife Greenway Path
Great news! On 06/16/2025, the Cambridge City Council advanced a vision of the Alewife MBTA Station redevelopment. That vision includes as much Green Stormwater Infrastructure
Join Save the Alewife Brook in person or remotely via Zoom Tuesday, June 17th 1 pm – 5 pm Joint Committee on Environment and Natural
Please attend tonight’s Cambridge City Council meeting in person or via Zoom. 5:30 pm Monday, June 9 at City Hall in Central Square and via
Please attend the Cambridge City Council meeting in person or via Zoom at 5:30 pm on Monday, June 9, at City Hall in Central Square.
Over 60 volunteers from Somerville, Cambridge, Arlington, and Boston showed up in the pouring rain on Earth Day 2025 for Save the Alewife Brook’s DCR
Join us on Saturday morning, April 26th, for an Earth Day Alewife Greenway Path Clean-Up and CSO Tour. We will gather trash along the path next to
Alewife Sewage Pollution Listening SessionApril 3rd at 6 PM via Zoom MWRA, Cambridge, & Somerville want to know what you think about their dumping untreated
Make your voice heard at the Alewife Sewage Pollution Listening SessionApril 3rd at 6 PM via Zoom MWRA, Cambridge, & Somerville want to know what
A Step Towards a Clean Brook In a significant step towards addressing Somerville’s untreated sewage pollution, the Somerville City Council hosted Save the Alewife Brook
Over 300 Alewife Brook supporters attended the public Alewife CSO Sewage Pollution meeting on January 22nd. Another 100-200 people registered. Thank you for your support.
Wednesday, January 22nd at 6 pm Meaningful improvement requires investment. Four decades since the start of the Boston Harbor Court Case and dumping of millions
Great news! The Town of Arlington has taken action to protect the community and environment from the harmful effects of Alewife Brook sewage pollution. Under
We have BIG NEWS from the awesome folks at Massachusetts Department of Environmental Protection! Sunday, December 8th at 7 pm 1. On-site, real-time CSO notification* 2. Odor
The Massachusetts Department of Environmental Protection issued a new Water Quality Variance for Alewife Brook. The new Water Quality Variance still allows discharges of untreated
A child riding her bike through Alewife sewage flood water on 9/19/2023. Photo by Ann McDonald. There is a long history of Alewife Brook flooding
We made a huge splash at this year’s HONK! parade, once again doubling the number of our supporters. Youth members handed out hundreds of fish
On Saturday, September 7th, Save the Alewife Brook’s Ann McDonald and Kristin Anderson kayaked into Alewife Brook from the Mystic River to get a look
In December 2023, Save the Alewife Brook took Department of Conservation and Recreation Commissioner Brian Arrigo for a dramatic tour of Alewife Brook’s sewage pollution, flooding,
On August 8th, 2024, Save the Alewife Brook provided an “Alewife Brook CSO*s 101” class and walking tour to students participating in the local Biodiversity
In August 2024, the Massachusetts Department of Environmental Protection (MassDEP) and the U.S. Environmental Protection Agency (EPA) may issue a water quality variance for Alewife
Gathering to discuss the CAM002 CSO, which predates the historic Mass Ave bridge. Volunteers received t-shirts, boatbags, and Kolsvart Swedish Fish. Photo Credit: Arthur Prokosch
We demand the following: During some major storm events, the Alewife Brook floods into the parks, yards, and houses of area residents in Environmental Justice
Photo by David Stoff. Local meteorologist Dave Epstein has predicted 2-5 inches of rain tonight, Wednesday, March 6th. When we receive just less than an
We have exciting news to share from the State House. Progress was made on our Combined Sewer Overflow Legislation to reduce sewage pollution! Late last
In 2023, 27.8 Million Gallons of untreated sewage pollution was dumped in Alewife Brook by the Massachusetts Water Resources Authority, Somerville, and Cambridge.1 So what
The following is an interactive map that is fairly complex with a lot of information. The six red dots are the six Alewife CSOs that discharge
The Community CSO Plan: Eliminates health risks of exposure to untreated CSOs. Is Resilient to Climate Change impacts. Reduces flooding. Improves water quality. Increases capacity
Great news! Thousands of messages were sent to the Massachusetts Water Resources Authority Board of Directors, urging the MWRA to eliminate sewage pollution in our
Thursday. January 15th at 6 PM via Zoom Late last year, the Massachusetts Water Resources Authority floated its plans for sewage elimination in our rivers.