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26-1222

AustinFeb 28, 2026, 6:11 AM

Description

Title: Authorize an amendment to the construction contract for the Walnut Creek Wastewater Treatment Plant Expansion to 100 Million Gallons per Day Project with MWH Constructors Inc., to increase the contingency by $600,000,000, for a revised total contract amount not to exceed $1,500,000,000. Funding: $600,000,000 is available in the Capital Budget of Austin Water.

Summary

The City of Austin Council is considering an amendment to the construction contract for the Walnut Creek Wastewater Treatment Plant (WWTP) Expansion, increasing the budget by $600 million, raising the total contract value to $1.5 billion. This project aims to expand the plant's capacity from 75 million gallons per day to 100 million, addressing future wastewater flow requirements and adhering to Texas Commission on Environmental Quality regulations. The amendment will allow the prime contractor, MWH Constructors Inc., to submit a subcontractor utilization plan in compliance with the city's Minority-Owned and Women-Owned Business Enterprise Procurement Program. As of February 2026, the project shows participation rates of approximately 9.95% for minority-owned and 7.32% for women-owned businesses

Published: Feb 27, 2026, 8:21 PM
Processed: Feb 28, 2026, 6:11 AM