Cedar City - Greens Lake No. 3 is a vital flood risk reduction structure located in Iron County, Utah. Managed by the local government and designed by the USDA NRCS, this earth dam stands at a hydraulic height of 41.8 feet and a structural height of 44.5 feet. Completed in 1958, it serves the primary purpose of flood risk reduction, with a storage capacity of 125 acre-feet and a normal storage level of 54 acre-feet.

This dam plays a crucial role in protecting the surrounding area from potential flooding events, as it has a significant hazard potential. It is regulated and inspected by the Utah Division of Water Rights, ensuring that it meets the necessary safety standards. The dam's spillway width of 100 feet allows for a maximum discharge of 52 cubic feet per second, helping to manage excess water during heavy rainfall events. With a history of regular inspections and maintenance, Cedar City - Greens Lake No. 3 remains a key asset in safeguarding the community against flood risks.

As a part of the flood risk reduction infrastructure in Iron County, Utah, Cedar City - Greens Lake No. 3 stands as a testament to the importance of water resource management in mitigating climate-related challenges. With a history of effective operation and regulated oversight, this dam serves as a critical component in ensuring the safety and resilience of the local community in the face of potential flooding events.