Airway-Airport Loop Sewer Rehabilitation Project

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June 8, 2026

As most of the construction on the Airway-Airport Loop Sewer Rehabilitation has wrapped up, remaining activities continue at the Main Street Pump Station.

Please check this page regularly for the most up-to-date information.

ONGOING WORK

LOCATION:  Main Street Pump Station, 1499 Main St., Irvine

Rehabilitating and constructing pipelines, pumps, and valves

  • When:  Ongoing – Summer 2026*
  • Work Hours:  Monday – Friday, 7 a.m. – 4 p.m.*
  • Impacts:
    • Occasional reduced travel lanes on westbound Main St.
    • Increase in activity and noise levels

*All dates and times are subject to change due to operational factors or inclement weather.

Other Information

For information about a nearby project in the City of Costa Mesa, please visit Costa Mesa Sewer Rehabilitation along I-405 Project.  

Project Description

This project will rehabilitate two parallel regional sewer pipelines, along a 1-mile stretch on Airway Avenue and Airport Loop Drive in the City of Costa Mesa, near the John Wayne Airport. The rehabilitation of the two pipelines must occur one at a time and will take place in separate phases.

Project elements also include improvements at the Main Street Pump Station.  See map below (blue line).

Project Map

Stay In The Know

Community Liaison:
(714) 378-2965

Email:
constructionhotline@ocsan.gov

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Site Location

Construction Schedule

2023 – 2026

Construction Budget

$43.4 million