Construction is finishing up on the Airway-Airport Loop Sewer Rehabilitation project. See below for current activities.
LOCATION: Airway Avenue and Airport Loop Drive, Costa Mesa
- What: Crews are filling in excavations and installing access covers. The street will be returned to conditions prior to construction.
- When: Ongoing – early 2026*
- Work Hours: Monday – Friday, 7 a.m. – 4 p.m., some activities may require work outside normal working hours.
- What to Expect:
- At least one travel lane in each direction.
- Increase in activity and noise levels
Two new pipelines installed on Airway Avenue.
LOCATION: Main Street Pump Station, 1499 Main St., Irvine
- What: Rehabilitating and constructing pipelines, pumps, and valves
- When: Ongoing – early 2026*
- Work Hours: Monday – Friday, 7 a.m. – 4 p.m.
- What to Expect:
- 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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Related Construction
Site Location
Construction Schedule
Fall 2023 - early 2026
Construction Budget
$43.4 million