Upper Biscar Dam (Blm) is a federal-owned structure located in Lassen, California, with a primary purpose of serving as a Fish and Wildlife Pond. Completed in 2006, this dam stands at a height of 13 feet and has a length of 562 feet, providing a storage capacity of 127 acre-feet for the surrounding area. Despite its relatively low hazard potential, the dam has not been rated for its condition as of the last inspection in 2015.

Managed by the Bureau of Land Management, Upper Biscar Dam plays a crucial role in supporting the local ecosystem and wildlife by providing a habitat for fish and other wildlife species. With a surface area of 18 acres and a normal storage capacity of 91 acre-feet, this dam helps to maintain water levels in the area, contributing to the overall health of the surrounding environment. Situated within the San Francisco District, this dam is an integral part of the water resource infrastructure in the region.

While there are no associated structures with Upper Biscar Dam, its importance lies in its function as a key component of the water management system in the area. As a low-risk structure, it serves as a vital resource for both the local wildlife and the broader ecosystem, highlighting the significance of sustainable water resource management in the face of climate change and increasing water scarcity.