Coffin Sheep Dam No 3, located in Benton County, Washington, is a private earth dam primarily used for irrigation purposes on Four Mile Creek. Built in 1938, this dam stands at a height of 31 feet with a structural height of 6 feet and a length of 430 feet. It has a maximum storage capacity of 104 acre-feet and is considered to have low hazard potential.

Managed by the Washington Department of Ecology, Coffin Sheep Dam No 3 is regulated and inspected by the state to ensure its safety and compliance with standards. While the dam's condition assessment is currently listed as "Not Rated," it is important to note that the emergency action plan (EAP) status and risk assessment details are not available at this time. Despite these gaps in information, the dam continues to serve its purpose in supporting agricultural irrigation in the region.

As water resource and climate enthusiasts, it is crucial to monitor the condition and management of dams like Coffin Sheep Dam No 3 to safeguard against potential risks and ensure the sustainable use of water resources. With its longstanding history and vital role in irrigation, this dam serves as a reminder of the importance of responsible water infrastructure management in the face of changing climate conditions.