Elm Fork Flood Protection

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Project Summary:

The City of Dallas has contracted Freese and Nichols, Inc. to design and provide construction management services for the Elm Fork Flood Protection Project. The project is the preferred alternative based on findings from the Elm Fork Floodplain Management Study, as prepared by Freese and Nichols, Inc. and as adopted in October 2003. The primary goal of the project is to provide flood protection from the Elm Fork for approximately 475 acres of primarily developed industrial land within the Daniels Creek watershed.

There are three major components of the Elm Fork Flood Protection Project; 1) Wesco channel modifications and reconstruction of Manana Drive and Spangler Road 2) by-pass swale and Daniels Levee, and 3) Daniels storm water pump station. The combined components will essentially create a ring levee system that will protect the industrial area from floodwaters from the Elm Fork. Each component is summarized below.

Wesco Channel and Manana/Spangler Roadway Reconstruction

Manana Drive and Spangler Road will be reconstructed and redesigned as necessary to elevate the roadways out of the floodplain. The elevated roadways will serve as a levee to protect the industrial area from split flow from the Elm Fork. The design will include 1) realignment of Manana Drive and Wesco channel, 2) replacement of existing culverts at Spangler road, 3) utility relocation, and 4) local roadway drainage systems along the realigned Manana Drive.

By-pass swale and Daniels Levee

Approximately 6,500 linear feet of by-pass swale will be designed and constructed to provide conveyance for the split flow from the Elm Fork diverted by the Manana/Spangler roadway reconstruction. The proposed swale will also serve as a corridor to create new ecological resources and wetland chains. The Daniels levee will be designed and constructed between the southern boundary of the industrial area and the Elm Fork. It will complete the ring levee around the industrial area and provide flood protection from Elm Fork floodwaters entering from the south via Daniels Creek.

Daniels Storm Water Pump Station

A storage reservoir and pump station will be designed and constructed on the industrial side of the Daniels levee. The system will be designed to maximize storage of local storm drainage from the industrial area of the Daniels watershed. A balance between storage and pump station capacity will be provided in such a manner that surrounding structures will not be inundated during the 100-year storm event due to the storm water collecting behind the Daniels levee. The pump station will convey the collected drainage back into the Elm Fork.

Last Updated: June 22, 2005

For more information on this project, use the links to the left. You can provide input into this project by using the Public Input form.