Darrah No. 3 is a privately owned earth dam located in Cody, Wyoming, along Bridge Creek. Built in 1908 for irrigation purposes, this dam stands at a height of 20 feet with a hydraulic height of 15 feet and a length of 165 feet. Despite its low hazard potential, the dam is currently assessed to be in poor condition, last inspected in August 2018. It has a normal storage capacity of 47 acre-feet and a maximum storage of 122 acre-feet.

Managed by the Wyoming State Engineer's Office, Darrah No. 3 is regulated, permitted, inspected, and enforced by state authorities. With a spillway type of uncontrolled and a spillway width of 25 feet, this dam serves the local agricultural community for water resource management. While the risk assessment rates it as moderate (3), there are no specific risk management measures or emergency action plans in place for this structure. Water resource and climate enthusiasts may find Darrah No. 3 to be an intriguing case study in the intersection of infrastructure, agriculture, and environmental management.