Summary
Built in 1910 for flood risk reduction, irrigation, and recreation purposes, this earth dam stands at a height of 44 feet and has a hydraulic height of 35 feet, with a maximum storage capacity of 37,700 acre-feet. The reservoir covers an area of 1,303 acres and is fed by the Bumping River, with a drainage area of 69 square miles.
The dam at Bumping Lake has undergone modifications in 1997 to enhance its foundation, hydraulic, other, seismic, and structural aspects. Despite being classified as having a high hazard potential, the condition assessment is currently listed as not available. Emergency action plans have been prepared, with the latest revision in June 2020. The dam's hazard potential, combined with its scenic location and recreational opportunities, make Bumping Lake a site of interest for water resource and climate enthusiasts.
For those interested in the intersection of water management, climate resilience, and recreational opportunities, Bumping Lake offers a captivating case study. With its history dating back over a century, ongoing maintenance and modification efforts, and the potential for high hazard events, this federally owned reservoir serves as a focal point for understanding the complex interplay between infrastructure, natural resources, and public safety. Whether for flood risk reduction, irrigation purposes, or recreational activities, Bumping Lake continues to play a vital role in the water resource management of the Yakima region in Washington State.