Bull Creek #5 is a privately owned Earth dam in Mesa, Colorado, built in 1901 for irrigation purposes on Bull Creek. With a height of 26 feet and a length of 1000 feet, the dam has a storage capacity of 381 acre-feet and serves the dual purpose of irrigation and water supply. The dam has a spillway width of 37 feet and a maximum discharge rate of 720 cubic feet per second, making it a significant structure in the region.

Despite being classified as having a significant hazard potential, Bull Creek #5 is in fair condition, as of the last assessment in August 2019. The dam has undergone modifications in 1947, including improvements to its foundation, hydraulic system, and structure. It is inspected biennially, with the most recent inspection showing that the dam meets regulatory standards set by the Colorado Department of Water Resources. While the risk assessment for the dam is moderate, there are no current risk management measures or emergency action plans in place, highlighting the need for continued monitoring and maintenance to ensure the safety and integrity of the structure.