Anderson Cottonwood, also known as Redding Lake, is a public utility dam located in Shasta County, California. Completed in 1917, this buttress dam serves primarily for flood risk reduction and irrigation purposes along the Sacramento River. With a height of 24 feet and a storage capacity of 1240 acre-feet, the dam covers a surface area of 190 acres and has a drainage area of 6860 square miles.

Managed by the California Department of Water Resources' Safety of Dams division, Anderson Cottonwood has a low hazard potential and is in satisfactory condition as of the last assessment in September 2017. Despite its age, the dam undergoes regular inspections, with the most recent one conducted in November 2020 to ensure its structural integrity and safety. With its strategic location in Redding and its critical role in managing water resources in the region, Anderson Cottonwood remains a significant asset for flood control and irrigation needs in the area.

As a key component of the water infrastructure in the San Francisco District, Anderson Cottonwood plays a crucial role in safeguarding the surrounding communities from potential flood risks. With state-regulated permitting, inspection, and enforcement in place, the dam is well-maintained and prepared to handle any emergencies that may arise. Its historical significance, combined with its continued functionality and efficiency, makes Anderson Cottonwood a vital resource for water resource and climate enthusiasts interested in the management of dams and reservoirs in California.