Headley, also known as Headley Reservoir #1, is a private water resource located in Sterling, Colorado. Built in 1964, this earth dam serves primarily for irrigation purposes, with a storage capacity of 355 acre-feet and a surface area of 50 acres. The reservoir is situated on the Antelope Draw river, with a maximum discharge of 2600 cubic feet per second.

Despite its low hazard potential and satisfactory condition assessment, Headley is regulated by the Colorado Department of Water Resources with state jurisdiction, permitting, inspection, and enforcement in place. The spillway of the dam is uncontrolled and 1090 feet wide, with a hydraulic height of 19 feet. Located in Morgan County, Colorado, Headley plays a crucial role in flood risk reduction, irrigation, and water supply in the region.

Overall, Headley reservoir stands as a vital water resource infrastructure in Colorado, contributing to the local agricultural sector and ensuring water availability for the surrounding communities. With its moderate risk assessment level and state regulation, Headley exemplifies the importance of sustainable water management in the face of climate challenges and increasing water demands.