Mystic River Outfall and Sewer Separation
Project Overview
The City of Somerville is making substantial systemwide investments to modernize its sewer and stormwater infrastructure. As part of this effort, the City will be constructing a new stormwater outfall pipe which will discharge to the Mystic River, installing new drainage infrastructure, and rehabilitating the existing sewer system in the neighborhood west of Foss Park. This project will reduce flood risk in the surrounding area and help maintain the water quality of local rivers.
Prospective Timeline
City Staff from the Department of Infrastructure and Asset Management, along with consulting partners, are currently working on preliminary design for this project.
We anticipate sharing more information and initial design concepts at a community meeting to be scheduled in late spring/early summer 2024.
Preliminary designs are expected to be completed by Fall 2024. Final design is expected to be complete in 2025.
Learn More
To learn more about the City's efforts to reduce flooding and improve water quality in our local rivers, please see our Citywide Flood Mitigation and Water Quality Master Plan.
Information in other languages
Español, Português, Kreyòl Ayisyen, नेपाली, 简体中文版, 繁體中文版.
Flood Impacts Map
The City of Somerville wants your input for the Mystic River Outfall & Sewer Separation project.
Writing your comments on this map will let the City’s project team know where you have identified flooding and opportunities for improvement in the project area. Drop a pin to highlight any location within the project area where you have noticed impacts from rain events. Once you add a pin, you can also include comments and images to describe the type of flooding impact.
Click on the marker button (+) to start adding pins. Note that the project area is outlined in pink.
Who's Listening
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Phone 617-981-2896 Email jmoos@somervillema.gov -
Construction Public Information Officer
NAEmail nalakel@somervillema.gov
