Austin City Council Approves Water Plant Upgrades
The $89.7 million project replaces hazardous disinfection systems at the Ullrich Water Treatment Plant over the next 840 days.
Updated on Oct. 22, 2026 in Utilities
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Austin City Council approved a contract worth up to $89.7 million to upgrade disinfection systems at the Ullrich Water Treatment Plant. The project will transition the facility from gaseous chlorine and anhydrous ammonia to sodium hypochlorite and liquid ammonium sulfate over 840 days.
Why it matters
The upgrade replaces aging, hazardous chemical storage with safer, on-site generated alternatives, reducing the risks associated with bulk delivery and chemical management. For local operators, the shift reflects a broader municipal push to modernize critical utility infrastructure through safer chemical handling protocols.
The city approved a $89.7 million contract for the project, which includes a 10% contingency fund of $8.15 million. The work at the plant, originally commissioned in 1969, is scheduled for completion over an 840-day timeline.
The players
Austin City Council
The governing body responsible for municipal policy, utility oversight, and public infrastructure budget approval.
Ullrich Water Treatment Plant
A major municipal utility facility serving West Austin that has operated since 1969.
The details
The facility, which has relied on gaseous chlorine and anhydrous ammonia since 1969, will switch to sodium hypochlorite generated on-site via electrolysis of salt and water. Liquid ammonium sulfate will replace the current anhydrous ammonia supply. The plant will remain operational throughout the 840-day transition period, utilizing a temporary storage and feed system to maintain service.
Timeline
The Ullrich Water Treatment Plant was commissioned in 1969.
Austin City Council approved the upgrade contract on October 22, 2026.
The project has an allotted completion timeline of 840 days.
Market Landscape
This project follows a pattern of municipal utilities moving away from chemicals subject to stringent Risk Management Plan regulations to lower-risk alternatives. Modernizing legacy infrastructure remains a key priority for growing cities aiming to reduce industrial site hazards.
Local businesses should note the 840-day construction timeline at the West Austin facility, as the transition could impact local traffic or site access. Operators should monitor municipal utility announcements to ensure their own facility's compliance remains aligned with shifting local chemical safety standards.
The takeaway
Large-scale utility modernization efforts require significant contingency funds to manage operational continuity during long transition periods. Keep this 840-day completion window on your radar if your business relies on local city-managed utility infrastructure.
Further reading
For broader trends in infrastructure updates, visit the Utilities section.
Source note: This article includes information reported by KXAN.
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