A large water treatment and conveyance system reflects the scale and planning intensity required to support sustained growth along the Austin-I-35 corridor.
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Central Texas continues to face some of the most acute growth-driven water infrastructure pressures in the state, as population increases along the Austin-I-35 corridor strain treatment capacity, transmission systems and long-range supply planning. Utilities in the region have spent years advancing projects through regional planning and capital improvement programs to manage demand while maintaining system reliability.
That preparation positions several Central Texas projects to compete for state financial assistance as voter-approved funding is sequenced through Texas Water Development Board programs. Near-term activity in the region is expected to focus on treatment plant expansions, system interconnections and reuse-related investments that can be delivered within existing footprints, rather than entirely new supply development.
The following projects illustrate how planning readiness is shaping early movement in the region:
1. City of Austin has advanced water treatment plant expansion and system reliability projects embedded in adopted regional plans to accommodate continued population growth.
2. Lower Colorado River Authority has identified conveyance, treatment and system optimization projects intended to improve regional supply flexibility and operational resilience.
3. Regional Utilities Along the I-35 Corridor are pursuing interconnection and transmission improvements designed to enhance redundancy and reduce vulnerability during peak demand and drought conditions.
4. Central Texas Groundwater and Reuse Initiatives focus on offsetting potable demand through reuse, conservation and coordinated aquifer management strategies included in the current planning cycle.
Central Texas Regional Water Planning Group (Region K)
South Central Texas Regional Water Planning Group (Region L)
Region K 2026 Initial Prepared Plan, Volume II (Project Appendices)
Region L 2026 Initial Prepared Plan, Volume II (Project Appendices)