Reservoir spillway

The spillway of the Lower Bois d’Arc Reservoir, with the lake’s dam in the background. The North Texas Municipal Water District hopes to begin impounding water in the reservoir in March.

A reservoir project is almost complete in Fannin County and soon be impounding water to supply areas across North Texas, including all of Royse City and Rockwall County.

The North Texas Municipal Water District reported in late January that the dam at the Lower Bois d’Arc Reservoir is only about two vertical feet away from where it needs to be to start impounding (or holding) water.

After the initial level is reached, the lake can begin to fill with water, which is scheduled for March of this year. Additional soil will still need to be added to complete the dam, about 16 more feet up and 445,000 cubic yards total.

The reservoir is designed to help provide water for portions of Hunt, Collin, Dallas, Denton, Ellis, Fannin, Kaufman, Rains and Rockwall counties.

The NTMWD applied for a water use permit to construct and maintain the reservoir on the Lower Bois d’Arc Creek, on the Red River Basin in Fannin County, for an interbasin transfer of water from the reservoir within its service area in the Red, Sabine, and Trinity River Basins, and within Fannin County in the Sulphur River Basin.

The NTMWD provides water to more than 1.6 million north Texas residents, including those served by the Caddo Basin and Cash Special Utility Districts in Hunt County. The district also supplies water to residents of Royse City, Farmersville, Josephine, Kaufman, Plano, Fate and Terrell among other locations. The district expects to serve 3.3 million people by 2060.

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