Implementation of the Long Term Control Plan (LTCP) for the CSO Program began in 2009 and includes a variety of CSO control projects, ranging from sewer separation to high-rate treatment facilities as well as green infrastructure projects. This list of projects reflects all of the projects that have been completed as part of the CSO Program. Click on the links below to learn more about completed CSO Program projects.
Icon denotes projects with green infrastructure elements.
Hanscom Park Green Infrastructure Project (shown at left) incorporated green infrastructure features to better manage area stormwater runoff and increase rainwater infiltration within the park’s natural areas, reduce runoff from the surrounding neighborhoods and reduce the magnitude, frequency and duration of wet-weather overflows.
*Other City-related sewer separation projects, but not part of the Long Term Control Plan.