Spring is a privately owned dam located in Yosemite Lakes, California, along the Longhollow Creek. Built in 1971, this Earth-type dam stands at a height of 41 feet and has a storage capacity of 152 acre-feet. Its primary purpose is water supply, supporting both recreational activities and water needs in the area. Managed by the California Department of Water Resources (DWR) under the Safety of Dams program, the dam is regulated, permitted, inspected, and enforced by state agencies to ensure its safety and functionality.

With a significant hazard potential but a satisfactory condition assessment as of September 2017, Spring Dam plays a crucial role in water resource management in Madera County, California. Its location within the Sacramento District adds to its importance in providing water supply and supporting recreational activities in the region. The dam has a spillway width and other structural details that contribute to its operational efficiency and safety measures. Regular inspections and emergency preparedness efforts are in place to mitigate risks associated with the dam's operation.

As a key infrastructure for water supply, Spring Dam is a vital component in the overall water management system in the area. With its strategic location and operational capacity, the dam ensures a reliable water source for the surrounding community while also offering recreational opportunities. The collaboration between state agencies and private ownership highlights the importance of regulatory oversight and maintenance to guarantee the safety and sustainability of water resources in the region.