Boyd Lake, located in Larimer County, Colorado, is a private water resource managed by the state regulatory agency, Colorado Department of Water Resources (DWR). Built in 1900, this Earth dam stands at a height of 40 feet and serves multiple purposes including fish and wildlife pond, irrigation, recreation, and water supply. With a normal storage capacity of 48,871 acre-feet and a surface area of 1,747 acres, Boyd Lake is a popular destination for water and climate enthusiasts.

The dam's spillway, with a width of 1,298 feet, is uncontrolled, allowing for a maximum discharge of 42,700 cubic feet per second. Despite its high hazard potential, Boyd Lake is currently in satisfactory condition as per the last inspection conducted in July 2020. With a moderate risk assessment rating of 3, the dam has not been modified in recent years and is equipped to handle potential emergencies. Overall, Boyd Lake presents an intriguing blend of water management, recreational opportunities, and environmental conservation for enthusiasts to explore and appreciate.