Apache Junction Flood Retarding Structure (FRS) is a vital component of flood risk reduction efforts in Apache Junction, Arizona.
Wind
Humidity
Built in 1988, this earth dam stands at a height of 38 feet and stretches over 8,450 feet, with a storage capacity of 2,050 acre-feet. Located on unnamed washes in Pinal County, this structure is regulated, permitted, inspected, and enforced by the Arizona Department of Water Resources, ensuring its reliability in protecting the surrounding area from floods.
Managed by the local government, Apache Junction FRS is designed by EBASCO and constructed with stone core and soil foundation. With a high hazard potential and moderate risk assessment, the dam features an uncontrolled spillway with a width of 100 feet and a maximum discharge of 1,875 cubic feet per second. Despite its satisfactory condition assessment as of December 2017, the structure undergoes regular inspections to maintain its effectiveness in flood risk reduction.
Overall, Apache Junction FRS plays a crucial role in safeguarding the community from potential flood events. With its strategic location and design features, including uncontrolled spillways and a robust emergency action plan, this structure demonstrates the commitment to water resource management and climate resilience in the region. As a key infrastructure asset, Apache Junction FRS stands as a testament to proactive flood risk reduction efforts in Pinal County, Arizona.
Year Completed |
1988 |
Dam Length |
8450 |
Dam Height |
22 |
River Or Stream |
UNNAMED WASHES |
Primary Dam Type |
Earth |
Surface Area |
174 |
Hydraulic Height |
22 |
Drainage Area |
6.15 |
Nid Storage |
2050 |
Structural Height |
38 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
High |
Foundations |
Soil |
Nid Height |
38 |
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|---|---|---|
Goldfield Camp
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Cholla Forest Primitive Group Camp
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Lost Dutchman State Park
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Usery Mountain
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Regional Park - Usery Mt RA
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Usery Park Campground
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