Copco No 2 is a privately owned hydroelectric dam located in Siskiyou, California, along the Klamath River. Completed in 1925, this gravity dam stands at a height of 63 feet and has a structural height of 63 feet as well. With a maximum storage capacity of 73 acre-feet and a normal storage capacity of 73 acre-feet, Copco No 2 plays a vital role in water resource management in the region.

The dam features a controlled spillway with a width of 130 feet and is equipped with Tainter and Vertical Lift outlet gates. Inspected by the Federal Energy Regulatory Commission, Copco No 2 has a low hazard potential and a risk assessment rating of Very High (1). The dam is subject to state regulation, inspection, and enforcement, with the Department of Water Resources overseeing its safety.

As a key component in the region's hydroelectric infrastructure, Copco No 2 serves as a critical source of energy production and water supply. With its historical significance and important role in water management, this dam is a focal point for water resource and climate enthusiasts interested in sustainable energy practices and environmental conservation efforts.