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GRANITE CREEK

RESERVOIR LEVELS
Rock Dam Granite Creek
April 22, 2025


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Granite Creek, located in Yavapai, Arizona, is a vital water resource managed by the local government for irrigation, recreation, and water supply purposes. The dam, completed in 1920, stands at a height of 81 feet and has a storage capacity of 4,900 acre-feet, with a normal storage level of 4,598 acre-feet. The reservoir created by the dam covers a surface area of 202 acres and serves a drainage area of 45 square miles.

With a high hazard potential and a satisfactory condition assessment as of August 2017, Granite Creek Dam is regulated by the Arizona Department of Water Resources, ensuring state oversight for permitting, inspection, and enforcement. The dam's spillway, of uncontrolled type, has a width of 180 feet and a maximum discharge capacity of 616 cubic feet per second. Despite its age, the dam remains structurally sound and meets moderate risk assessment criteria.

Granite Creek Dam's strategic location in the Granite Dells area, coupled with its multi-purpose functionality and historical significance, makes it a key feature in Arizona's water management infrastructure. As a focal point for both water resource and climate enthusiasts, the dam serves as a reminder of the careful balancing act required to ensure water availability for irrigation, recreation, and municipal use while managing the associated risks and regulatory requirements.

Year_Completed 1920
Dam_Height 81
River_Or_Stream GRANITE CREEK
Dam_Length 187
Primary_Dam_Type Arch
Surface_Area 202
Drainage_Area 45
Nid_Storage 4900
Hazard_Potential High
Foundations Rock
Nid_Height 81
       

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