Cuyamaca Dam

Reservoir Levels Weather Hydrology

Cuyamaca Dam is a historic dam located in San Diego County, California. It was built in the early 1900s to provide water for agriculture in the region. The dam is a concrete arch structure standing 110 feet tall and 375 feet long. It has a storage capacity of 8,110 acre-feet of water. The hydrology of the area is seasonal with most of the precipitation falling during the winter months. The dam captures surface flow from the Cuyamaca Mountains and snowpack from nearby peaks. The water stored in the reservoir is used for irrigation and domestic purposes. The area around the dam is also used for recreational purposes, including hiking, fishing, and camping. The dam is a significant historical landmark in San Diego County and continues to play an important role in the region's water supply.

June 20, 2024







24hr Change None%
Percent of Normal None%
Nid_Height 40
Hydraulic_Height 34.3
Drainage_Area 12
Year_Completed 1887
Dam_Height 40
Primary_Dam_Type Earth
River_Or_Stream Boulder Creek
Surface_Area 976
Hazard_Potential High
Nid_Storage 11740
Dam_Length 665

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