SNOFLO

       




BRADSHAW DETENTION DAM #4

RESERVOIR LEVELS
March 28, 2025


47°F

This Afternoon

30°F

Tonight

4mph

Windspeed

55%

Humidity

Bradshaw Detention Dam #4, located in Idaho along the Bradshaw Gulch, was completed in 1967 to primarily serve as a flood risk reduction structure. This gravity dam has a hydraulic height of 43 feet and a structural height of 49 feet, with a storage capacity of 120 acre-feet. The dam is owned, funded, designed, constructed, regulated, inspected, and operated by the Bureau of Land Management, showcasing federal involvement in its management.

With a low hazard potential and a moderate risk assessment rating, Bradshaw Detention Dam #4 has not been rated for its current condition. The dam features an uncontrolled spillway with a width of 2 feet and has not been modified in recent years. While the last inspection took place in 2007, the dam's emergency action plan status, inundation maps, risk management measures, and other related aspects remain unlisted, highlighting potential areas for improvement in the future.

Overall, Bradshaw Detention Dam #4 stands as a key infrastructure for flood risk reduction in the region, showcasing federal agency oversight and involvement. As water resource and climate enthusiasts, further updates on the dam's condition, risk management measures, and emergency preparedness would provide valuable insights into its ongoing effectiveness in safeguarding the surrounding area from potential flooding events.

Year_Completed 1967
River_Or_Stream BRADSHAW GULCH
Dam_Length 446
Primary_Dam_Type Gravity
Surface_Area 21
Hydraulic_Height 43
Drainage_Area 10.2
Nid_Storage 120
Structural_Height 49
Hazard_Potential Low
Foundations Unlisted/Unknown
Nid_Height 49
       

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