Lower Bois d’Arc Reservoir Construction
Dam construction and water resource development
Quick Facts
Location
Honey Grove, Texas
Role
Subcontractor
Completion Date
December 2022
Project Overview
The Lower Bois d’Arc Creek Reservoir was constructed for the North Texas Municipal Water District to meet growing water demands in North Texas. The reservoir impounds more than 350,000 acre-feet of water, providing stable, potable water to the region while also supporting recreational activities such as fishing and boating. Water is piped from the new lake to a new water treatment plant 35 miles away in a raw water pipeline. Ultimately, the reservoir provides access to approximately 175,000 acre-feet of raw water annually for Fannin County, Texas, and its surrounding areas.
Project Highlights
4.7M
CY Earthen Embankment
170K
CY of Soil Cement Armoring
150K
CY Internal Drainage Filters
20,000
CY Cast in Place Concrete
4,000
Acres of Clearing
6,200
LF 90" Pipeline
1,500
LF 78" Concrete Encased Conduits
16,000
Acre Surface Area When Complete
367K+
Acre-Feet Capacity
Phillips Contribution
For the project, Phillips was contracted to construct an earthen embankment dam using seven differently classified zones of materials. The upstream side of the embankment was armored with soil cement, and a slurry wall was installed into the foundation. The embankment included an internal drainage system comprising chimney drains, blanket drains, rock finger drains, and toe drain piping. The project also entailed a complex water diversion system allowing the existing waterways to flow through and around the site prior to impoundment.
In addition to the embankment, Phillips constructed a 120‘-tall intake tower, dual 78” concrete-encased conduit piping designed with a capacity up to 236M gallons per day, and a cast-in-place concrete service spillway. We also installed an emergency spillway and a portion of the 90” raw water pipeline which will connect to a future pump station, cleared the dam and reservoir footprints, and performed modifications to the existing Lake Bonham Dam.
While most of the cleared trees were disposed of, some felled trees were piled and anchored into place within the reservoir to create fish habitats. Phillips also performed pond removal, protection, and modification in the surrounding area, as well as removing fencing up to the normal water level within the reservoir.
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