Regional Water Plan: Region C, 2016, Volume 1. Main Report Page: 5C.44
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" Additional Direct Reuse
" Contract Renewal with Commerce for Chapman Lake supply and reuse
" Additional DWU supplies under new contract
" Sulphur Basin Supplies
" Water treatment plant and distribution system improvements.
The Sulphur Basin Supplies strategy is a multi-provider strategies and is discussed at the beginning of this
chapter. The other strategies identified for UTRWD are discussed individually below:
Conservation. Conservation is the projected conservation savings for UTRWD's existing and potential
customers, based on the Region C recommended water conservation program. Not including savings from
low-flow plumbing fixtures and not including reuse, conservation by UTRWD customers is projected to
reach 4,498 acre-feet per year by 2070.
Removal of Silt Barrier at Chapman Lake Intake Pump Station. UTRWD shares an intake structure with
NTMWD and Irving at Chapman Lake. NTMWD is in the design phase of a project that would remove a
silt barrier in Chapman Lake. This silt barrier currently limits the amount of water reaching the intake
structure at the lake. This project will allow for use of full yield of Chapman Lake. This project is expected
to be completed before 2020.
Additional Supplies from DWU under Current Contracts. UTRWD's current contracts with DWU indicate
that DWU will supply (1) water needed for several specific water suppliers in Denton County plus an
additional 10 mgd and (2) an additional amount equal to 40 percent of UTRWD's supplies from Chapman
Lake. Based on projected demands, the contracts would provide up to 49,507 acre-feet per year in 2070.
UTRWD is currently using less than the amount in this contract (due to the availability of other water
supplies) but plans to eventually use the full contracted amount.
Lake Ralph Hall. In September 2013, UTRWD was granted a Texas water right permit to develop the
proposed Lake Ralph Hall on the North Sulphur River in Fannin County. UTRWD is currently pursuing a
Section 404 permit from the U.S. Army Corps of Engineers for this lake. The project would yield 34,050
acre-feet per year, at least 90 percent of which would be delivered to Denton County. (Up to 10% could
meet local needs around the lake.) Water would be pumped from Lake Ralph Hall to the existing balancing
reservoir on the pipeline from Chapman Lake to UTRWD's Harpool Water Treatment Plant and Lewisville
Lake. From the balancing reservoir, it would be delivered through existing facilities to the Harpool plant
and/or Lake Lewisville. (UTRWD has a contract with the City of Irving for joint use of the facilities owned
by Irving. These existing facilities with minor modifications have sufficient capacity for the new supply.)2016 Region C Water Plan
5C.44
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Freese and Nichols, Inc. Regional Water Plan: Region C, 2016, Volume 1. Main Report, report, December 2015; Fort Worth, Texas. (https://texashistory.unt.edu/ark:/67531/metapth838641/m1/273/?rotate=90: accessed July 17, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu; crediting UNT Libraries Government Documents Department.