US International Boundary and Water Commission (USIBWC)

Stories

San Diego border sewage plant primary expansion advances, completion set for 2031

Project owner and contracting authority

The federal contract for the South Bay plant's first expansion phase reached $552 million in October, and the PCL-Stantec team is preparing to dig. PCL said in mid-October that shoring, dewatering and excavation of the new primary treatment structures would begin within weeks, with substantial completion scheduled for May 2031.

Updated 7 days ago