# PCL-Stantec team awarded $552M contract for South Bay wastewater plant expansion

The U.S. section of the International Boundary and Water Commission issued a revised contract award to PCL Construction and Stantec for $552 million to expand the South Bay International Wastewater Treatment Plant's primary treatment facilities to 50 million gallons per day, with substantial completion scheduled for May 2031.

- Type: Expansion
- Announced: 2026-10-13
- Where: San Diego, California, United States
- Value: $552.0M
- Starts operating: May 2031
- Status: announced
- Capacity: 50 million gallons per day
- Products: wastewater treatment
- Sectors: [Water Treatment Equipment](https://endata.com/sectors/water-treatment-equipment.md)

## Companies

- [PCL Construction](https://endata.com/companies/15665.md)
- [Stantec Inc.](https://endata.com/companies/22986.md) (partner)
- [International Boundary and Water Commission](https://endata.com/companies/65736.md) (customer)

## Sources

- [enr.com](https://www.enr.com/articles/63937-552m-award-advances-san-diego-border-wastewater-plant-expansion), 2026-10-16: "The revised contract increases PCL's award to $552 million for expansion of the plant's primary treatment facilities, with substantial completion scheduled for 2031."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.