Ethel #3 is a privately owned irrigation dam located in Sheridan, Wyoming, along the Middle Fork Carney Draw. Built in 2008, this Earth-type dam stands at a height of 27 feet and has a storage capacity of 78 acre-feet, with a maximum discharge of 4444 cubic feet per second. The dam serves multiple purposes including irrigation, fire protection, stock watering, and small fish pond maintenance, making it a crucial water resource for the local community.

Despite being classified as having a low hazard potential, Ethel #3 is regularly inspected and maintained to ensure its structural integrity and safety. The dam's condition was last assessed as fair in 2018, with an inspection frequency of every five years. In case of emergencies, the dam has a single valve outlet gate for controlled water release. Overall, Ethel #3 presents a moderate risk level, indicating the importance of ongoing risk management measures to safeguard the surrounding area from potential hazards.

With its strategic location and vital role in water management, Ethel #3 exemplifies the intersection of water resource management and climate resilience in Wyoming. As a key infrastructure for irrigation and water supply, this dam underscores the need for continued monitoring and maintenance to mitigate risks and ensure sustainable water use for the community's agricultural and environmental needs.