C-35 Little York Basin, Hopper Basin and P118-14-00 Channel Conveyance Improvements

C-35 Little York Basin, Hopper Basin and P118-14-00 Channel Conveyance Improvements
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Project Description

Bond Project C-35 constructed channel conveyance improvements and a pair of stormwater detention basins to reduce the risk of flooding by taking in excess stormwater during heavy rain events and then releasing it slowly back to the channel when the threat of flooding has passed. Construction began in summer 2020. The stormwater detention basins are estimated to hold 200 acre-feet, or approximately 65 million gallons, of stormwater that might otherwise flood homes and businesses. To improve channel conveyance on Tributary P118-14-00, two additional 12’x10’ box culverts will be installed below Little York Road.

When the stormwater detention basins are coupled with the channel conveyance improvements, currently nearing completion, the project is expected to remove the floodplain from approximately 100 structures in a 100-year storm event.

This project is part the Watershed-Wide Project Implementation Program for Halls Bayou.

Project Photos

C-35: Ongoing construction in Hopper and Little York Stormwater Detention Basins