Nabnasset Lake to close off to swimmers for algae treatment

August 6, 2025
- By Alex Svenson

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WESTFORD — The Westford Health Department announced that Nabnasset Lake will be closed off to swimmers on Thursday until 4 p.m. for the water to be chemically treated to combat algae growth.

This closure will include Edward’s Beach.

According to the Westford Health Department, the treatment is expected to help control the growth of nuisance algae, and is being carried out through a permit issued by the Massachusetts Department of Environmental Protection and an order of conditions issued by the Westford Conservation Commission.

Members of the public with any questions are encouraged to reach out to the Westford Health Department at 978-692-5509.

Alex Svenson

Alex Svenson joined WestfordCAT as a multimedia journalist in July 2025. He is responsible for researching, writing and producing news stories for WestfordCAT's website and newspaper, as well as creating video content for WestfordCAT's news show and social media platforms, expanding coverage of town meetings, community events, local businesses and the stories that make Westford unique. Alex began his professional journalism career as a part-time reporter for WestfordCAT in 2022. He has since worked for NBC 10 Boston, Boston.com and WCVB NewsCenter 5 Boston, before rejoining WestfordCAT in 2025. Alex also has experience working in local government at the Boston City Hall and Massachusetts State House. Originally from Arlington Massachusetts, Alex graduated from Suffolk University in 2022, where he wrote for The Suffolk Journal and was a student reporter for NECN's 'Suffolk in the City'. When he’s not in the newsroom, Alex enjoys traveling, watching sports, playing soccer, running, hiking, fishing, playing guitar, listening to music and going to the movies.