Updates, Water Treatment

Sundt, Jacobs, HDR Finish $597M California Wastewater Plant

 |  Updates, Water Treatment

Sundt, Jacobs, HDR Finish $597M California Wastewater Plant

 

November 4, 2025 | www.constructiondive.com |

In California, a team led by Sundt Construction, with Jacobs serving as project and construction manager and HDR as design engineer, marked the completion of San Mateo’s $597 million wastewater treatment plant upgrade. The project ranks as the largest infrastructure effort in the city’s history.

“The milestone caps a multiyear effort to replace a 75-year-old system in the San Francisco suburb, eliminating sewer overflow issues and introducing advanced treatment technologies to the facility. Construction began in 2019 and wrapped up while the existing plant remained fully operational, according to the release.”

 

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