NEWBURYPORT — On Friday, Oct. 23, 2026, at approximately 11:10 p.m., Newburyport firefighters responded to Strem Chemicals, a chemical plant at 7 Mulliken Way following reports of an active fire.
According to Interim Fire Chief Stephen Hamilton, when crews arrived on scene they observed heavy smoke coming from the building, where the sprinkler system had also been activated.
The Newburyport Fire Department declared a three-alarm fire to bring additional resources to the scene. A hazardous materials incident was also declared because the fire was in a chemical facility, and the Massachusetts Department of Fire Services’ Hazardous Materials Emergency Response Division responded.
Firefighters extinguished the blaze, and crews cleared the scene at around 2:30 a.m. on Saturday, Oct. 24, 2026.
No injuries were reported.
Mutual aid was provided by the Newbury, Merrimac, West Newbury, Amesbury and Salisbury fire departments, along with Cataldo Ambulance and Rehab 5.
The Groveland, Georgetown and Ipswich fire departments provided station coverage, as did the Seabrook Fire Department in New Hampshire.
The cause of the fire remains under investigation by the Newburyport Fire Department and the District 6 Fire Investigators Hazardous Materials Team.
