PORTLAND — The Department of Public Services will host a second public meeting Thursday to discuss a project to reduce sewage overflow released into Back Cove.

The project includes installation of two underground conduits that will store waste water under Baxter Boulevard and Payson Park. Each concrete conduit will store up to 1 million gallons.

The meeting will focus on traffic control for the project. Construction is expected to begin later this month, and as a result, Baxter Boulevard will be closed between Vannah and Bates streets for up to eight months.

Access to the boulevard’s pedestrian trail will continue during construction.

When complete, the conduits will increase the city’s capacity to store storm water and sewage for treatment. During heavy rains, the untreated waste now overflows into Back Cove and other waterways.

The conduit project is part of a $170 million plan approved by the city last year to reduce sewer overflow volumes. 

The meeting is scheduled for 6 p.m., Nov. 15, at the Presumpscot Elementary School, 69 Presumpscot St. 

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