Joy No. 1 is a private irrigation dam located on Stinking Water Creek Tributary in Converse, Wyoming. Built in 1984 by designer Detmer R. Knapp, this earth dam stands at a height of 22 feet and has a storage capacity of 188 acre-feet. With a normal storage of 103 acre-feet, the dam serves multiple purposes including fire protection, stock watering, and small fish ponds in addition to irrigation.

The dam's spillway type is uncontrolled with a width of 70 feet, and it features a slide gate outlet. Despite its age, Joy No. 1 is in satisfactory condition with a low hazard potential according to the latest inspection conducted in May 2020. The risk assessment for this dam is moderate (3), indicating a moderate level of risk associated with its operation and maintenance. Overall, Joy No. 1 plays a crucial role in water resource management in the region, contributing to agricultural activities and wildlife support in the area.

Water resource and climate enthusiasts will find Joy No. 1 an intriguing structure due to its location on Stinking Water Creek Tributary and its multiple functions beyond irrigation. The dam's design and construction details, along with its current condition and risk assessment, offer valuable insights into the management of water resources in Wyoming. With Liz Cheney as the Congressional representative for the area, the dam serves as a vital infrastructure supporting the agricultural and environmental needs of the region.