Officials mark completion of Delta-Mendota Canal/California Aqueduct intertie

By Lisa Lien-Mager
May 5, 2012

Federal, state and local partners marked the completion Wednesday of an intertie connecting the Delta-Mendota Canal and the California Aqueduct five miles west of Tracy.

The intertie connects the federal and state canals through two 108-inch-diameter pipes and a pumping plant with a pumping capacity of 467 cubic feet per second. The connection between the federal Central Valley Project and the State Water Project is designed to address conveyance limitations affecting the Delta-Mendota Canal, enhance flexibility of water deliveries and allow for infrastructure maintenance and repairs without disrupting water deliveries.

Conveyance issues have restricted use of the CVP’s Jones Pumping Plant to less than its design capacity. When fully operational later this summer, the intertie is expected to restore up to 35,000 acre-feet of average annual deliveries to the CVP.

Partners in the project included the U.S. Bureau of Reclamation, San Luis & Delta-Mendota Water Authority and the California Department of Water Resources.

Participating in Wednesday’s celebration at the intertie site were Reclamation Commissioner Michael Connor; U.S. Rep. Jim Costa; Ameen Khan on behalf of U.S. Sen. Barbara Boxer; Gary Prost on behalf of U.S. Rep. Jerry McNerney; and DWR Director Mark Cowin.

The Department of the Interior committed $15.8 million from the American Recovery and Reinvestment Act to complete the Intertie. CALFED funding was $8.8 million. The remaining funding came from contributed funds and Reclamation’s budget. The total project cost was $29 million.

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