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Walnut Creek Wastewater Treatment Plant

WRI Tank Assessment and Repairs

Our team provided engineering services for an assessment and remedial design documents to repair the Water Reclamation Initiative (WRI) system ground storage tank located in the northeastern part of the Walnut Creek Wastewater Treatment Plant (WWTP) and to make improvements at the WRI high service pump station. The WRI tank is used to store treated and filtered wastewater effluent prior to transport for beneficial reuse application on publicly-accessed sites such as golf courses and the University of Texas.

This project consists of the assessment of the existing 1 million gallon (MG) capacity Walnut Creek WWTP WRI Tank regarding long-term structural integrity; development of options and recommendations for any necessary structural corrections and for repairing/stopping ongoing leaks; and redesign of tank inlet to promote mixing.  In addition, one high service pump and associated valves, piping, flow measurement device and electrical/SCADA will be designed to increase the pumping capacity of the existing Walnut Creek WWTP High Service Pump Station. The project also includes the design of a bulk water filling station. Based on the recommendations of this report and approval from the City of Austin, we designed and developed contract documents for the rehabilitation of the tank and various plant improvements. 

Services Provided:

  • Structural Assessment

  • Forensic Evaluation

  • Structural Design and Repair

  • Electrical and SCADA Design

Project Highlights


City of Austin


Austin, Texas



1 MG

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