Orwick Dam, located in Tehama County, California, is a federally owned structure managed by the Bureau of Land Management. Built in 1950 for irrigation purposes, this dam stands 22 feet tall and spans 421 feet in length, providing a storage capacity of 88 acre-feet. With a low hazard potential and a condition assessment that is not currently rated, Orwick Dam plays a crucial role in managing water resources in the region.

Despite not being regulated by the state, Orwick Dam has undergone periodic inspections, with the last one conducted in 2011. The dam is designed to handle a maximum discharge of 1 cubic foot per second and has a surface area of 12 acres. While its emergency action plan status and risk assessment details are not specified, the dam's operational responsibility, funding, and construction fall under the purview of the Bureau of Land Management, indicating a commitment to maintaining its integrity and safety.

The presence of Orwick Dam underscores the importance of water resource management in California, particularly for irrigation purposes. As a key piece of infrastructure in the San Francisco District, this dam serves as a vital component of the regional water supply system. With its historical significance and ongoing role in supporting agricultural activities, Orwick Dam remains a focal point for water resource and climate enthusiasts seeking to understand the intersection of human infrastructure and natural ecosystems.