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San Antonio Water System Proposes Multi-Year Rate Increases That Would Lift Average Bills About One-Third by 2029

SAWS says the step-ups would finance repairs and upgrades to aging water and wastewater infrastructure exceeding $3 billion.

Overview

  • An initial model presented to trustees outlines annual residential increases between roughly 6.7% and 8% from 2026 through 2029, raising the typical bill by about 31%–33% by 2029.
  • Board leaders emphasized the figures are preliminary, requesting more project detail and a full public review, with a potential City Council vote not expected before April.
  • An independent study by Carollo Engineers found revenue from rates will need to rise about 42% over five years to meet projected costs across SAWS’ systems.
  • Funding priorities include more than $3 billion in capital work such as over $340 million to rehabilitate the two largest wastewater plants and widespread pipe replacements.
  • SAWS says about 30,000 customers in its Uplift income-based assistance program would be exempt from increases, and this would be the first residential rate hike since 2020.