Regional Water Plan: Region H, 2016, Volume 1. Main Report Page: 1-28
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1.6 EXISTING WATER PLANNING
1.6.1 Existing Regional and Local Water Management Plans
The first Region H Water Plan was published in 2001 and was incorporated into the State Water Plan
in 2002. Another series of plans was developed five years later in 2006 and 2007. The last update to
the Region H Water Plan was performed in 2011. The 2011 Region H Water Plan recommended
several water management strategies to ensure that all water demands in the Region were met. First,
water conservation was recommended for all municipalities with projected shortages. Next, supplies
that were identified as surplus in one area were recommended for contract or sale to water users in
other areas. These transfers included moving TRA water supply from Lake Livingston to Harris County,
moving SJRA supplies from the Trinity Basin to Montgomery County, additional yield from system
operation of the BRA system, and future reservoir projects.
The 2011 Region H Plan proposed a series of projects in the eastern basins (Trinity and San Jacinto
Basins) to maximize the use of existing supplies through transfer (TRA to COH and Lake Livingston to
SJRA transfers, Luce Bayou, etc.) and by maximizing the efficiency of water use (conservation, COH
reuse permit, NHCRWA reuse permit, etc.). The western portion of Region H (Brazos Basin) relied
upon a series of raw water projects intended to maximize storage and create firm yield from
interruptible flow conditions in the river. In all, five off-channel projects were recommended in the
plan for storage enhancement.
The Region H area was formerly part of The Trans-Texas Water Program (TTWP): Southeast Area, a
comprehensive water resource planning program created to evaluate a full range of water
management strategies for a 32 county area of East Texas. This area encompassed all of Region H,
plus the lower Sabine River Basin and portions of the middle Brazos River Basin. The Phase II Report
(1998) identified a regional long-term shortage by the year 2035. To meet that need, several
management techniques were studied further: water conservation, wastewater reclamation, use of
existing reservoir surplus supply, coordinated reservoir system operation, interbasin transfers and
contractual transfers.
Technical studies of these management techniques were completed in Phase II of the TTWP. The
Phase II Report (1998) determined that the Southeast Area could develop adequate supplies to meet
expected regional demands, and export water to Central Texas (Regional Planning Regions L and N).
Various management strategies would need to be implemented to accommodate growth in the
different geographic areas across the fifty-year planning period. Water conservation, wastewater
reclamation, and coordinated systems operations strategies would extend the period of adequate
supply, allowing additional time to plan and develop new water sources. The Allens Creek Reservoir
in the Brazos River Basin, with an estimated yield at the time of approximately 70,000 acre-feet per
year, was reported as a potentially feasible project. Contractual transfers were identified that would
align surface water rights with the owner's service areas, shortening conveyance systems. Finally,
sustained interbasin transfers from the Toledo Bend Reservoir in the Sabine River Basin to the Trinity
and San Jacinto River Basins were also reported as feasible strategies to meet the growing needs of
the region and areas of central Texas.
Other previously completed regional water supply plans include the City of Houston Master Plan,
Brazos Valley Long-Range Resource Plan, the San Jacinto River Authority Water Resources
Development Plan, and the Trinity River Basin Master Plan. Within Region H, the BRA plan alsoRegion H 2016 Regional Water Plan
Chapter 1 - Description of Region
November 2015
1-28
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Region H Water Planning Group. Regional Water Plan: Region H, 2016, Volume 1. Main Report, report, November 2015; Conroe, Texas. (https://texashistory.unt.edu/ark:/67531/metapth838720/m1/76/?q=%22%22~1: accessed July 16, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.