Heath Reservoir, located in Lassen County, California, is a privately owned earth dam structure completed in 1965 for water supply purposes. The reservoir has a capacity of 8,650 acre-feet and is fed by Slate Creek, serving irrigation, recreation, and water supply needs in the region. With a dam height of 45 feet and a hydraulic height of 40 feet, Heath Reservoir offers a surface area of 448 acres within a drainage area of 21.7 square miles.

Managed by the Natural Resources Conservation Service, Heath Reservoir has a low hazard potential and is deemed to be in satisfactory condition as of the last assessment in September 2017. Regular inspections are conducted, with the most recent one taking place in June 2020. The dam structure has not undergone significant modifications since its completion, reflecting its stable design and performance over the years. While the reservoir does not have designated spillways or locks, it remains a vital water resource for the surrounding communities, contributing to water conservation and management efforts in the region.

As a key component of the water infrastructure in the area, Heath Reservoir plays a crucial role in supporting agricultural activities, recreational opportunities, and overall water security. With its strategic location and reliable performance, the reservoir stands as a testament to effective water resource management and sustainable dam operations. Climate and water enthusiasts alike can appreciate the significance of Heath Reservoir in ensuring water availability and resilience in the face of changing environmental conditions, making it a valuable asset for the community and beyond.