San Antonio to Begin Hildebrand Avenue Water Project
The San Antonio Water System will launch a five-phase main replacement project on October 26, 2026.
Updated on Oct. 22, 2026 in Utilities
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The San Antonio Water System begins a multi-phase water main replacement project on Hildebrand Avenue starting October 26, 2026. This construction is designed to update infrastructure that is more than 50 years old.
Why it matters
SAWS identified the aging pipe through its capital improvements program to ensure continued service for the surrounding area, including Trinity University. The long-term project aims to prevent service failures by replacing degraded segments of the water distribution system.
The construction project consists of five phases focused on replacing infrastructure that is over 50 years old. Phases four and five are currently scheduled to span from January 2027 through March 2027.
The players
San Antonio Water System
This public utility provides water and wastewater services to the city of San Antonio and surrounding areas.
Trinity University
This private university is located in San Antonio and is situated adjacent to the infrastructure project site.
The details
Work begins at the intersection of McCullough Avenue and E Hildebrand Avenue, impacting service for the Trinity University upper campus and City Vista. Contractors will implement road closures and traffic reroutes throughout the duration of the multi-phase project.
Timeline
October 26, 2026: Construction begins on Hildebrand Avenue.
January 2027: Phases four and five of the project are scheduled to start.
March 2027: The entire construction project is expected to reach completion.
Market Landscape
This project serves as a specific implementation of the San Antonio Water System capital improvements program objectives. Such initiatives highlight the ongoing utility sector trend of prioritizing the replacement of legacy infrastructure over rapid capacity expansion.
Residents and commuters should expect increased traffic and congestion in the Hildebrand Avenue area throughout the construction period. Local customers may also experience temporary water service outages while crews connect the new infrastructure to the existing system.
The takeaway
Proactive infrastructure maintenance is essential for preventing future service disruptions in established urban corridors. Residents are encouraged to monitor local traffic alerts to navigate around the planned road closures.
What happens next
Phases four and five of the construction are slated to begin in January 2027, with the full project expected to conclude in March 2027.
Further reading
For more information on local service updates, visit the Utilities section.
Source note: This article includes information reported by Trinitonian.
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