OC San Plant No. 1 is located in the City of Fountain Valley, adjacent to the Santa Ana River.
The Neighborhood Connection Newsletter has transitioned to an electronic community newsletter that is intended to keep our neighbors informed about major OC San activities and construction projects.
FUTURE CONSTRUCTION PROJECTS:
Activated Sludge Aeration Basin and Blower Rehabilitation at Plant No. 1
Background: Built in the early 1970s, the Activated Sludge facility is nearing the end of its useful life. A major rehabilitation will ensure reliable service for the next 20 plus years.
Project Description: This project will perform a comprehensive rehabilitation of the Activated Sludge facility.
Construction is anticipated to begin 2027 and take approximately four years to complete.
FOUNTAIN VALLEY (INCLUDES PLANT NO. 1)
- Activated Sludge Aeration Basin and Blower Rehabilitation at Plant No. 1 (2027)
- Primary Sedimentation Basins Replacement (2026)
Primary Sedimentation Basins Replacement
Background: Primary clarifiers, or primary sedimentation basins, are used to reduce suspended solids to the secondary treatment processes.
Project Description: This project will replace three of the oldest primary clarifiers located at Plant No. 1 in Fountain Valley. All associated facilities including distribution boxes, junction boxes, primary influent and effluent lines, structural, mechanical, and electrical systems.
Construction is anticipated to begin 2026 and take approximately six years to complete.
Stay In The Know
Community Liaison:
(714) 378-2965
Email:
constructionhotline@ocsan.gov
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