Rex is a private water resource located in Aurora, Utah, managed by the Utah Division of Water Rights. This Earth dam, completed in 1948, serves primarily for irrigation purposes, with a storage capacity of 1100 acre-feet. The dam stands at a height of 42 feet and has a hydraulic height of 38 feet, overlooking the Lost Creek offstream.

Despite being non-federally owned, Rex is regulated by the state and undergoes regular inspections and enforcement to ensure its safety and functionality. With a significant hazard potential, the dam has a high-risk factor that necessitates proper risk management measures. While the condition of the dam is currently not rated, its inspection frequency is every two years, with the last inspection conducted in July 2019.

For water resource and climate enthusiasts, Rex presents an intriguing opportunity to explore the intersection of water infrastructure and environmental stewardship in the state of Utah. As a vital irrigation source in Sevier County, Rex symbolizes the delicate balance between human intervention and natural resources, highlighting the importance of responsible water management practices in the face of climate change and increasing water demands.