Powell Marsh W. A. Pool 5, also known as Vista Pool, is a state-owned water resource located in Vilas, Wisconsin. This earth dam structure stands at a height of 8.3 feet and has a hydraulic height of 6.2 feet, with a capacity to store up to 862 acre-feet of water. With a normal storage capacity of 68 acre-feet and a surface area of 190 acres, this controlled spillway type dam serves as a crucial component in managing the flow of the tributary to Dead Pike Lake.

Despite its low hazard potential and fair condition assessment, Powell Marsh W. A. Pool 5 presents a very high risk, rated as '1' on the risk assessment scale. The dam has undergone inspections with a frequency of 10 years, with the last inspection conducted in October 2020. The state regulatory agency responsible for the dam's oversight and enforcement is the WIDNR. While there have been no major modifications or emergency action plans reported for this dam, the risk management measures and potential inundation maps for the area remain unspecified. As a vital infrastructure in the region's water resource management, ongoing monitoring and maintenance are essential to ensure the safety and efficiency of Powell Marsh W. A. Pool 5.