Holman is a local government-owned dam located in Calaveras, California, along the Tr Angels Creek. Completed in 1976, this earth dam stands at a height of 101 feet and has a storage capacity of 250 acre-feet, primarily serving as a water supply source. With a low hazard potential and a satisfactory condition assessment as of September 2017, Holman plays a crucial role in flood risk reduction, irrigation, and water supply for the surrounding area.

Managed by the California Department of Water Resources (DWR), Safety of Dams division, Holman is regulated, permitted, inspected, and enforced by the state. This ensures that the structure is maintained to meet safety standards and operate effectively. The dam's last inspection took place in May 2020, with an inspection frequency of once per year. Despite its low hazard potential, Holman remains a vital infrastructure for water resource management in the region.

For water resource and climate enthusiasts, Holman represents a key piece of infrastructure that contributes to the sustainable management of water in California. Its role in providing water supply, flood risk reduction, and irrigation highlights the importance of dams in supporting local communities. With its satisfactory condition assessment and state-regulated status, Holman exemplifies the commitment to ensuring the safety and efficiency of water infrastructure in the face of changing climate conditions.