East Ascension Drainage Commission will take up another purchase of land devoted to regional detention at its regularly scheduled meeting tomorrow. $2.5 million for 128 acres in Geismar, the “land will be utilized for New River Regional detention as outlined in the Parish Floodplain Management Plan….This is the second land acquisition at this location (between Louis White Road and Hwy 73)” totaling more than 200 acres toward the project.
In February 2025 a contiguous parcel, 89 acres, was purchased for $1.6 million for the New River/Lower Branch Goudine Detention project. It is in furtherance of…
There are two things we can do with stormwater to help reduce the risk of flooding in a given area. We can move stormwater more quickly by channel modifications or we can store it in stormwater detention basins.
Stormwater can fill a detention basin in several ways. The illustration above shows water overflowing into a detention basin, from a bayou, by way of a weir structure. All of our structures are passive designs that utilize gravity to operate.
Stormwater detention basins are built to store excess stormwater until it can make its way safely back into the channel.
As the water levels in the bayou recede, the stormwater from the basin flows by gravity through the outfall pipe back into the channel.
The project is part of the parish’s Capital Improvement Program 5-Year Plan:
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