Daily brief · Porter Square, Cambridge, MA
Sewage in Alewife Brook: 48-hour advisory
July 31, 2026
Top story
Sewage Discharged into Alewife Brook, Mystic River After Heavy Rain
The City of Cambridge confirmed Thursday that a full day of rain, heavy at times and flooding streets around town, overwhelmed the combined sewer system and discharged sewage into Alewife Brook. A 48-hour advisory urges people to avoid contact with the Mystic River and Alewife Brook because of bacteria risks. The notice came two days after the MWRA presented proposed fixes to the Arlington Select Board for the decades-long overflow problem, which advocates led by Save the Alewife Brook want Cambridge and Somerville to address with a new system.
Your Arlington
Cambridge Air Quality Slips to 'Fair' Friday as Ozone Rises
Air quality in the Cambridge/Fresh Pond area drops from medium to fair on Friday, July 31, as ozone levels rise, with pollution peaking around 8 a.m.
Airmine Air Quality Forecast
South Carolina Resident Arrested on Loaded Gun Charges in Central Square
Cambridge Police say a Florence, South Carolina man was arrested Thursday after allegedly threatening a victim with a loaded 9mm handgun during a Central Square altercation.
Cambridge Police
R. G. Gallagher Plays Free Lunchtime Concert at Inman Square
The Lilypad in Inman Square hosts a free lunchtime concert by musician R. G. Gallagher on Friday at noon, featuring American hits through the decades.
The Lilypad
MIT Open Space Screens 'It Happened One Night' Outdoors
A free outdoor screening of 'It Happened One Night' runs Friday from 6:30 to 8:30 p.m. at the Kendall/MIT Open Space, first come, first served.
MIT Open Space Programming
Morning Camera Performs Live Concert at Club Passim
Dream-pop and Americana act Morning Camera plays Club Passim in Harvard Square Friday at 8 p.m., with Franc Graham opening.
Club Passim
Cambridge-Based Sleep Apnea Biotech Apnimed Launches $192M IPO
Cambridge-based sleep apnea biotech Apnimed debuted on the stock market Friday after raising $192 million in its initial public offering.
Endpoints News
Public Comment Period Opens for Proposed MOR-EV Rebate Updates
The Massachusetts Department of Energy Resources began accepting public comments Friday on proposed changes to the MOR-EV rebate program, including lower vehicle price caps.
Mass.gov
Cambridge Breast Center Earns National Reaccreditation
Cambridge Health Alliance's breast center received a three-year national reaccreditation Friday from the National Accreditation Program for Breast Centers.
Beacon Hill Times
Boston Single Mingle Hosts Speed Dating Night at CanalSide
Boston Single Mingle hosts an in-person speed dating event for singles ages 27-48 Friday from 6:30 to 8:30 p.m. at the CanalSide food hall in the CambridgeSide mall.
Boston Single Mingle
Porter Open-Container Pilot Reaches Final Day
Friday is the last day of Cambridge's temporary alcohol-to-go and public consumption pilot, including the Porter Square/North Massachusetts Avenue zone, running 11 a.m. to 11 p.m.
City of Cambridge
4 Mellen Affordable Housing Applications Due
Applications for 29 affordable apartments at 4 Mellen Street in the Baldwin neighborhood are due Friday by 5 p.m.; the lottery is set for Thursday, Aug. 13 at 3 p.m. via Teams.
Cambridge Community Development Department
BEUDO Phase 3c Comment Period Closes
Friday is the last day for public comment on Cambridge's updated Phase 3c BEUDO regulations covering renewable electricity purchasing and on-site cogeneration.
City of Cambridge Office of Sustainability
Get the Porter Square, Cambridge brief in your inbox every morning, free.
Get the morning brief