Barrett, located in Larimer County, Colorado, is a privately owned irrigation dam designed by the USDA NRCS and completed in 1973. It serves multiple purposes including irrigation, fire protection, stock, and small fish pond, with a storage capacity of 165 acre-feet. The dam stands at 32 feet tall with a length of 1098 feet, regulating the flow of Box Elder Creek. It is state regulated by the Colorado Department of Water Resources, with inspection, enforcement, and permitting processes in place to ensure its safe operation.

With a low hazard potential and a satisfactory condition assessment as of June 2016, Barrett presents a moderate risk level for potential incidents. Its uncontrolled spillway, 110 feet wide, can handle a maximum discharge of 10,200 cubic feet per second. The dam is located in the city of Wellington, within the jurisdiction of the DWR, and falls under the oversight of the Natural Resources Conservation Service. Despite its moderate risk level, Barrett has not had any modifications in recent years, indicating a stable and well-maintained structure that continues to support the region's water resource needs.