PILLAR: Sustainable
AGENDA DATE: September 23, 2026
COUNCIL DISTRICT(S): Citywide
DEPARTMENT: Dallas Water Utilities Department
PRIORITY: Infrastructure
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SUBJECT
Title
Authorize an Interlocal Agreement between the City of Dallas, Tarrant Regional Water District, and the North Texas Municipal Water District for Regional Water Supply Cooperation and Interconnectivity – Financing: No cost consideration to the City
*In alignment with Long Range Water Supply Plan.
Body
BACKGROUND
The City of Dallas (Dallas) and the North Central Texas region are experiencing rapid business and population growth with accompanying increased demands for municipal and industrial water supplies. Dallas’ Long Range Water Supply Plan since the drought of the 1950’s has guided Dallas to develop a diverse water supply system. Tarrant Regional Water District (TRWD) and the North Texas Municipal Water District (NTMWD) have also developed diverse water supply systems to meet the needs of their respective service areas. Although Dallas, NTMWD, and TRWD service areas are adjacent, the water supply and raw water transmission systems are not interconnected and are operated independently, with very few exceptions.
Due to the unique geographical, hydrological, climatic, and geological characteristics of Dallas, TRWD, and NTMWD water supplies, joint system operation has the potential to generate additional water supply for the region. Regional water supply cooperation and proactive planning can reduce costs to customers, extend existing water supplies, utilize temporary surplus water and infrastructure capacity, and defer the need for costly capital projects.
This action will authorize an interlocal agreement between Dallas, TRWD, and NTMWD to advance regional water supply cooperation and interconnectivity. Each provider’s water supply systems and strategies have expanded over the years to increasingly overlap and present opp...
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