PILLAR: Sustainable
AGENDA DATE: August 25, 2026
COUNCIL DISTRICT(S): 3, Outside
DEPARTMENT: Dallas Water Utilities Department
PRIORITY: Infrastructure
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SUBJECT
Title
Authorize a construction services contract for the Southwest Water Transmission Pipeline Project, Phase 1A - S.J. Louis Construction of Texas, Ltd., best value proposer of four - Not to exceed $89,900,308.00 - Financing: Water - 2022C Water Revenue Bonds TWDB L1001532 Fund ($73,300,000.00), Water Capital Improvement G Fund ($12,222,511.36), and Water Capital Improvement F Fund ($4,377,796.64)
*In alignment with Water and Wastewater Capital Improvement Program.
Body
BACKGROUND
The Dallas Water Utilities Department (DWU) has identified the need for water transmission pipeline improvements through its Long-Range Water Supply Plan and Water Distribution Master Plan. One of those projects is the Southwest Pipeline, a water transmission pipeline to facilitate conveyance of treated water to the South and Southwest portions of Dallas and its customer cities. Installation of approximately 32 miles of 96-inch and 120-inch diameter water transmission pipeline is needed to meet demands associated with population growth as determined through master planning efforts. The overall pipeline is sized to meet future water demands and will be completed in multiple phases.
At full completion, the Southwest Water Transmission Pipeline project will transfer treated water from the East Side Water Treatment Plant (ESWTP), located in Sunnyvale, Texas, to the Summit Ground Storage Tanks (GSTs), located in Cedar Hill, Texas and serve customers in Dallas, Cedar Hill, Duncanville, Grand Prairie, Lancaster, DeSoto, and Hutchins. The pipeline will ensure DWU can meet long-range regional water demands for South Dallas County, and improve water transmission capacity, reliability, and redundancy for the DWU water transmission system.
On May 15, 2026, pr...
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