On Friday, August 29th, between the hours of 8 a.m. and 5 p.m. the Sewer Department’s subcontractor, Flow Assessment, will be conducting smoke testing on Constantine Drive, Westford Road, Diamond Street and Emerald Street. The smoke testing is being conducted for the purpose of identifying stormwater inflow to the sewer system. All residents in the project area will receive a detailed work notice with information about smoke testing. If you have any questions, please contact the Sewer Division of the Department of Public Works by calling 978-743-5354.