Jerry Johns Reservoir No. 1, located in Sheridan, Wyoming, is a privately owned earth dam reservoir primarily used for irrigation purposes. Constructed in 1977 by designer Thomas L. Barker, this reservoir has a maximum storage capacity of 26 acre-feet and covers a surface area of 3 acres. The dam stands at a height of 25 feet with a hydraulic height of 20 feet, serving as a vital water resource for the surrounding area.

Despite its low hazard potential, Jerry Johns Reservoir No. 1 is currently in poor condition, as assessed in August 2021. With a moderate risk level and a five-year inspection frequency, there are concerns about the structural integrity and overall maintenance of the dam. The reservoir's emergency action plan and risk management measures are not clearly outlined, posing potential challenges in the event of a water-related emergency.

Given its importance for irrigation and fire protection, it is crucial for stakeholders to address the maintenance and safety concerns surrounding Jerry Johns Reservoir No. 1. With the potential for increased climate variability and extreme weather events, ensuring the proper upkeep and management of this reservoir is essential for sustainable water resource management in the region.