The Bureau of Reclamation's B.F. Sisk Dam in California's San Joaquin Valley will receive $100 million for safety modifications, the Interior Department said March 22.
The modifications will add stability berms and other safety features to the dam. Construction is due to begin this summer.
Interior Secretary Deb Haaland said the project is the first dam safety project to be funded by the 2021 infrastructure legislation, which penciled in $500 million for safety and capacity maintenance projects at Reclamation dams.
In 2019, BuRec and California's Department of Water Resources agreed on a $1.1 billion seismic upgrade for the earth-fill dam, which impounds water in the San Luis Reservoir.
The dam was built between 1963 and 1967 to provide supplemental irrigation water storage for the federal Central Valley Project, and municipal and industrial water for the California State Water Project.
Water is lifted into the reservoir by the 424 MW Gianelli pumped-storage hydropower plant located at the base of the dam.