Council approves $2.96M design contract for West Wastewater Treatment Plant upgrades
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Summary
Council authorized a professional services contract with Quiddity Engineering LLC to design upgrades at the West Wastewater Treatment Plant to restore permitted capacity and serve planned Track 2 development; the contract design fee is $2,960,000 and the construction budget remains roughly $33M.
The Sugar Land City Council authorized a professional engineering services contract with Quiddity Engineering LLC to design improvements to the West Wastewater Treatment Plant.
Senior Engineering Manager Timothy John told council the city assumed ownership of the West Plant when New Territory was annexed in 2017; the plant is operated by the Brazos River Authority and has a permitted capacity of 2.5 million gallons per day (MGD). John said aging equipment has reduced reliable operating capacity to roughly 1.8–2.0 MGD, and that Track 2 residential and industrial development will generate additional flows.
Staff completed a preliminary engineering report and recommended phased rehabilitation and new process equipment including lift‑station modifications, headworks upgrades, new concrete structures, RAS/WAS improvements, aeration enhancements, off‑site force main and electrical/site work. John said the city owns sufficient property for expansion and that work will be phased to maintain continuous operation during construction.
Under the approved plan, council authorized a design contract with Quiddity in the amount of $2,960,000 for CIP CWW‑2309 (Track 2 wastewater improvements). John said the overall project budget is just under $36 million; after the design fee the available construction budget is a little over $33 million. The schedule anticipates notice to proceed in November 2025, approximately 405 calendar days for design and TCEQ review, bid phase and an anticipated construction award in March 2027.
Councilmember Single asked whether treated effluent is reused; staff said a portion is reused for irrigation and lake filling in New Territory and that increasing reuse to 100% would require additional infrastructure and pump capacity.
A motion by Miller, seconded by Single, passed 7–0 to authorize the contract.
