Hollenbeak is a private dam located in Valley, Idaho, with a low hazard potential and fair condition assessment. Completed in 1972, the dam stands at a height of 29.4 feet and has a hydraulic height of 25.7 feet. It serves as a vital structure for water resource management in the area, with a storage capacity of 159 acre-feet and a maximum discharge of 550 cubic feet per second.

The dam, situated on Cold Creek and Boulder Creek, plays a crucial role in flood control and water supply for the region. It is regulated by the Idaho Department of Water Resources and undergoes regular inspections to ensure its safety and functionality. Despite its low hazard potential, the risk assessment for Hollenbeak is categorized as very high, indicating the importance of effective risk management measures to mitigate potential threats.

With its controlled spillway and stone core design, Hollenbeak remains an essential infrastructure for water management in Valley, Idaho. The dam's location and design highlight the intersection of water resource management and climate resilience, underscoring the need for ongoing monitoring and maintenance to safeguard its operations and surrounding ecosystems.