Stantec helps South County Regional Wastewater Authority expand facility, with a focus on sustainability

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Expansion will add membrane bioreactor to create higher quality effluent

 GILROY, CA – NYSE, TSX: STN

 Stantec—a global engineering, architecture, and design firm—is assisting the South County Regional Wastewater Authority (SCRWA) to expand its existing wastewater treatment plant near Gilroy, California, with the design of a new membrane bioreactor facility. The new facility will add additional capacity of 2.5 million gallons per day (MGD) to the existing plant’s 8.5 MGD wastewater treatment, allowing for long-term growth in the cities of Gilroy and Morgan Hill.

The SCRWA is a joint powers authority established to manage wastewater treatment and water reclamation for the cities of Gilroy and Morgan Hill. The facility receives and treats wastewater from domestic, commercial, and industrial users, and has a successful water recycling program. Increasing the use of recycled water for non-potable uses is an important way to conserve valuable drinking water supplies. A reliable supply of recycled water not only offsets limited potable water but provides a variety of benefits that support the area’s quality of life. The project increases treatment capacity and provides more recycled water.

Using cutting-edge membrane technology for nutrient removal will provide the plant with higher quality effluent for beneficial reuse, including industrial use and municipal irrigation. The $62 million project will feature a new headworks and screenings facility, bioreactors, membrane basins, blowers, a chemical feed and storage facility, and a solids handling facility.

“Adding a membrane bioreactor to SCRWA’s wastewater plant offers more reliability and redundance to the facility, while also improving sustainability,” said Billy Wong, Stantec project manager based in Walnut Creek. “We are excited to support SCRWA as it continues to improve this critical infrastructure and prepare for the next 15 years of growth.”

Stantec has worked with SCRWA for more than a decade, planning the wastewater treatment plant expansion. The firm is providing design and engineering services during construction on the project, which is expected to be complete in 2024.

A sustainable water future is complex and dynamic. By viewing water as an integrated system, Stantec is helping to confront global water challenges and accelerate the pathway to a more sustainable, reliable, and affordable future that provides improved water, energy, and infrastructure solutions. Learn more at stantec.com/water.

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