Alameda Creek Recapture
Overview
The project would recapture water that the SFPUC is required to release or bypass upstream in Alameda Creek as part of the operation of the SFPUC’s New Calaveras Dam.
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Project Background
The Alameda Creek Recapture Project (ACRP) is the final project of the $4.8 Billion Water System Improvement Program project to start construction. The Calaveras Dam Replacement Project, another WSIP project, which was designed to restore the historic storage capacity of Calaveras Reservoir, was completed in June 2019.
As a part of the regulatory requirements for the operation of Calaveras Reservoir, the SFPUC agreed to implement bypass and instream flow schedules for Alameda and Calaveras creeks, to be protective of Central California Coast steelhead below the Alameda Creek Diversion Dam (ACDD) and Calaveras Dam.
The Project will construct pumping and associated facilities to withdraw water from Pit F2, an existing quarry pit formerly used by quarry operators located adjacent to Alameda Creek about six miles downstream of Calaveras Reservoir.
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About the Project
The SFPUC will pump water from Pit F2 that passively percolates or seeps into Pit F2 from Alameda Creek streamflow, and convey the water pumped from Pit F2 to existing SFPUC facilities for treatment and distribution to its customers in the Bay Area for municipal use.
The ACRP will require construction of several improvements in and around Pit F2. The project components would include:- Four vertical turbine pumps mounted on floating barges located in existing Pond F2.
- Flexible discharge pipelines which are connected between the new pipe manifold and the existing Sunol
- Pipeline to discharge the recaptured water to the SFPUC system.
- Throttling valves, a flow meter, and other electrical and general site improvements.
Operation of the ACRP is dependent on the instream flow schedules that will be implemented as part of the future operation of Calaveras Reservoir.
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Project Materials
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