Halsey Forebay No. 2 is a privately owned earth dam in Auburn, California, with a primary purpose of hydroelectric power generation. Constructed in 1913, this dam stands at a height of 55 feet and has a hydraulic height of 36.5 feet. With a storage capacity of 244 acre-feet, it serves as a critical water resource for the area, contributing to the overall hydroelectric power production in the region.

Managed by the Federal Energy Regulatory Commission, Halsey Forebay No. 2 is subject to state regulation and inspection to ensure its safety and compliance with dam standards. Despite being deemed as having a significant hazard potential, the condition assessment for this dam is currently unavailable. With a risk assessment rating of 'High (2)', it is crucial to have emergency action plans in place to mitigate potential risks and ensure the safety of the surrounding community in case of any unforeseen events.

Located on Dry Creek and part of the San Francisco District, Halsey Forebay No. 2 plays a vital role in water resource management and climate resilience efforts in the area. Its historic significance, combined with its hydroelectric power generation capabilities, highlights the importance of maintaining and regulating this dam to ensure the sustainable use of water resources and the continued protection of the environment.