Tertiary Filtration System Expansion - C66401416 - City of Petaluma

The existing tertiary treatment system at the Ellis Creek Water Recycling Facility can process up to 5.0 million gallons per day (MGD) of tertiary level recycled water, of which 0.5 MGD is used in-plant. Currently, due to the increased demand on the recycled water system for agricultural irrigation and drought conditions, the tertiary system exceeds its capacity during high demand periods. This project will expand the filtration and disinfection capacity of the system used to treat wastewater effluent to produce up to 6.8 MGD of tertiary recycled water. To provide additional recycled water treatment capacity, the City will add pumping capacity, two cloth media filters, and a third ultraviolet (UV) light treatment system within an existing channel. The project will be constructed in 3 phases. While the majority of the project funding is Waste Water Capital, the City is in the process of securing $3.6M through a partnership with the North Bay Water Reuse Authority. Design will be completed in Winter 21/22 and the first phase of construction will begin in the Spring 2022. Project is included in the City of Petaluma's FY 2022-2023 CIP. As of June 22, 2022, information regarding a design team and a general contractor is not available. Construction is anticipated from 2022 to 2025.* *Project information has been obtained through a public capital improvement plan (CIP). A CIP is a financial schedule for short- and long-range projects which is updated regularly. Information listed in the CIP often evolves based on funding availability and the project details, including timeline and value, are subject to change. The content management team will continue to pursue additional details as they become available.

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