LEROY ANDERSON

RESERVOIR LEVELS
December 21, 2024
640 ft 37.17, -121.63


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Anderson Dam, also known as Leroy Anderson, is a rockfill dam located in Morgan Hill, California, along the Coyote Creek. Completed in 1950, this dam stands at a height of 240 feet and serves multiple purposes including flood risk reduction, hydroelectric power generation, irrigation, recreation, and water supply. With a maximum storage capacity of 89,073 acre-feet, Anderson Dam plays a crucial role in water resource management in the region.

Managed by a public utility, Anderson Dam is regulated by the Department of Water Resources and the Federal Energy Regulatory Commission. Despite its high hazard potential, the dam has not undergone a recent condition assessment. It features an uncontrolled spillway with a width of 150 feet and a maximum discharge capacity of 95,800 cubic feet per second. The dam's risk assessment is categorized as moderate, indicating a need for ongoing monitoring and risk management measures.

As a key water infrastructure in Santa Clara County, Anderson Dam plays a vital role in the region's water supply and flood protection. Climate and water resource enthusiasts will find interest in the dam's history, design features, and its importance in supporting various water-related activities in the area. Ongoing inspections and risk assessments ensure the safety and reliability of Anderson Dam for the surrounding communities and ecosystems.

Storage 24hr Change 0.09%
Percent of Normal 104%
Minimum 2,893 acre-ft
2023-10-19
Maximum 11,754,848,387,072 acre-ft
2023-06-16
Average 3,332 acre-ft
Nid_Height 240
Hydraulic_Height 185
Primary_Dam_Type Rockfill
Drainage_Area 193.4
Year_Completed 1950
Dam_Height 240
Structural_Height 204.5
River_Or_Stream Coyote Creek
Foundations Unlisted/Unknown
Surface_Area 1240
Hazard_Potential High
Nid_Storage 89073
Dam_Length 1380
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