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Road Reconstruction: Prospect Ave

Status: Completed
GI Technology: Bioswale
Project Year: 2017


*TOTAL cost



Project Description: The Road Reconstruction project on Prospect Avenue exemplifies the continued partnership between Onondaga County and the City of Syracuse. This project is another example of Onondaga County partnering with the City of Syracuse Department of Public Works through their road reconstruction program for the installation of green infrastructure.  This project, within the CSO 020 area, is intended to reduce pollution to Onondaga Creek and Onondaga Lake and is the twelfth road reconstruction project completed through this partnership under the Save the Rain program.

The project uses one underground infiltration trench on Prospect Avenue between East Laurel Street and Butternut Street, adjacent to St. Joseph’s Hospital, to manage the runoff from the avenue. Prospect Avenue is very steep, and as a result, the underground infiltration trench has five “steps” to manage the change in grade while also maximizing the stormwater capture. High flows from large rain events (more than one inch of rain over the course of a two hour period) will flow into the existing combined sewer system for safety. The streetscape will not look different after the work is complete, as the trenches are completely underground with no visible features at the surface.

This project manages 15,840 square feet of impervious drainage area, for a total capture of approximately 280,000 gallons of stormwater runoff annually, in the medium priority area of CSO 020. The project was completed in 2017.

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Project Overview
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