Bass Lake, located in Siskiyou County, California, is a state-regulated water supply reservoir with a primary purpose of providing irrigation and water supply to the surrounding area. Built in 1949, this earth dam stands at a height of 18 feet and has a hydraulic height of 15 feet, with a storage capacity of 223 acre-feet. The dam spans 1110 feet in length and covers a surface area of 108 acres, drawing water from the Tr Lit Shasta River.

Managed by the California Department of Water Resources and regulated by the Safety of Dams program, Bass Lake has a low hazard potential and is deemed to be in satisfactory condition as of the last assessment in September 2017. The dam undergoes regular inspections, with the most recent one conducted in June 2020. With its strategic location in Montague and its vital role in water supply infrastructure, Bass Lake serves as a key component in the region's water management system.

Enthusiasts interested in water resources and climate will appreciate Bass Lake for its historical significance, structural design, and operational importance in sustaining agricultural activities and water availability in the area. This reservoir not only showcases the engineering efforts of its time but also highlights the ongoing regulatory and inspection processes that ensure its safety and functionality for the community it serves.