North Gray is a privately owned irrigation dam located in Larimer County, Colorado, along Boxelder Creek. Completed in 1904, this Earth dam stands at a height of 20 feet and has a storage capacity of 447 acre-feet. With a surface area of 40 acres and a maximum discharge of 700 cfs, North Gray serves primarily for irrigation purposes, supporting agricultural activities in the area.

Managed by the Colorado Division of Water Resources, North Gray has a low hazard potential and is deemed to be in satisfactory condition as of the last assessment in June 2017. The dam features an uncontrolled spillway with a width of 51 feet and is subject to regular inspections every six years. Although the risk assessment indicates a moderate level of risk, North Gray is equipped to handle potential emergencies, with detailed emergency action plans expected to be in place.

The location of North Gray in Timnath, Colorado, underscores its critical role in water resource management in the region. With its historical significance and ongoing maintenance efforts, this dam continues to be a vital infrastructure supporting both agriculture and the local community's water needs, amidst the challenges posed by climate change and evolving regulatory requirements.