
Tunneling Fact Sheet
April 24, 2024
Agencia de Agua Santa Clarita Valley
May 21, 2024
The Delta Conveyance Design & Construction Authority (DCA) prepared this memorandum to document the updated estimate of total project costs for the Bethany Reservoir Alignment of the Delta Conveyance Project. The updated estimate is being prepared to support strategic and feasibility evaluations being performed by the California Department of Water Resources (DWR) and participating Public Water Agencies. This document includes the rationale, assumptions, pricing sources, and other inputs to the estimating process that were used to develop the total project cost estimate.