Ewing Reservoir, located in Trinity County, California, is a critical water supply infrastructure owned by the local government and regulated by the Department of Water Resources (DWR) for dam safety. Completed in 1972, this earth dam stands at a height of 63 feet, with a hydraulic height of 58 feet, and a length of 550 feet. The reservoir has a storage capacity of 887 acre-feet, serving as a vital water source for the surrounding community in Hayfork.

Despite its high hazard potential, Ewing Reservoir is currently in satisfactory condition, with the last inspection conducted in May 2020. The dam is designed to withstand potential risks, and emergency action plans are in place to ensure the safety of the area in case of any unforeseen events. The reservoir is situated along Ewing Gulch, with a drainage area of 0.69 square miles, providing a surface area of 43 acres for water storage. Congressman Jared Huffman represents the area in the Sacramento District, where Ewing Reservoir plays a crucial role in water management and supply.

As a significant water supply source in the region, Ewing Reservoir serves as a lifeline for the community, ensuring water security and sustainability in Trinity County, California. With state-regulated oversight and regular inspections, the dam continues to provide essential services while adhering to safety standards set by the DWR. Climate enthusiasts and water resource experts can appreciate the critical role that Ewing Reservoir plays in managing water resources and mitigating potential risks in the face of changing environmental conditions.