Utica Auxiliary No. 2, located in Dorrington, California, is a privately owned rockfill dam completed in 1903 for hydroelectric purposes. With a height of 11 feet and a length of 149 feet, this dam has a storage capacity of 2500 acre-feet and serves multiple purposes, including hydroelectric power generation, recreation, and water supply. Managed by the Federal Energy Regulatory Commission, the dam is state-regulated and undergoes regular inspections to ensure safety and compliance with regulatory standards.

Situated on the North Fork Stanislaus River in Alpine County, California, Utica Auxiliary No. 2 plays a crucial role in water resource management and energy production in the region. Its low hazard potential and moderate risk assessment make it a key infrastructure for maintaining the stability of the surrounding ecosystem and supporting the local community's water supply needs. With a surface area of 233.5 acres and a drainage area of 15 square miles, the dam contributes to the overall water conservation efforts in the area.

Despite its age, Utica Auxiliary No. 2 remains a vital component of the region's water infrastructure, providing essential services while adhering to strict regulatory guidelines. With its historical significance and ongoing role in water management, this rockfill dam exemplifies the intersection of water resource management and climate resilience in the face of changing environmental conditions. As water resource and climate enthusiasts, understanding the importance of structures like Utica Auxiliary No. 2 is essential for ensuring sustainable water management practices in the future.