P16-5 Reservoir, located in Campbell, Wyoming, is a privately owned earth dam completed in 2006 with a primary purpose of irrigation. The reservoir has a maximum storage capacity of 92 acre-feet and a normal storage capacity of 75 acre-feet, serving various needs such as fire protection, stock, and small fish pond in addition to irrigation. With a surface area of 6 acres and a drainage area of 0.06 square miles, the reservoir is fed by Scotty Draw and has a maximum discharge rate of 14 cubic feet per second.

Despite its low hazard potential, P16-5 Reservoir is in poor condition according to a 2017 assessment. The structural height of the dam is 49 feet, with a hydraulic height of 35 feet and a dam height of 40 feet. The reservoir has an uncontrolled spillway type with a width of 2 feet and is equipped with one valve outlet gate. While the reservoir is state-regulated and regularly inspected, there is room for improvement in its maintenance and emergency preparedness, given its moderate risk assessment rating.

Overall, P16-5 Reservoir is a vital water resource for the area, providing essential irrigation water and serving multiple purposes. As a key component of the local water infrastructure, it is important for stakeholders to address the poor condition assessment and ensure that appropriate risk management measures are in place to safeguard the reservoir and surrounding community in case of emergencies.