Hardisty Wilson East is a private irrigation dam located in Owyhee, Idaho, along an unnamed stream known as Wilson Creek. Built in 1918, this earth dam stands at a height of 9.4 meters and has a hydraulic height of 6.8 meters, serving the primary purpose of irrigation with a storage capacity of 120 acre-feet. The dam has a low hazard potential and was last inspected in August 2017, with a satisfactory condition assessment.

Owned privately, the dam falls under the regulatory jurisdiction of the Idaho Department of Water Resources, with state permitting, inspection, and enforcement in place. Although the spillway type is listed as "None," the dam has a maximum discharge capacity of 70 cubic feet per second. With a drainage area of 0.11 square miles, the dam covers a surface area of 25 acres and plays a crucial role in managing water resources in the region.

Despite its age, Hardisty Wilson East remains a vital structure for water management in the area, ensuring a stable water supply for irrigation purposes. With its risk assessment classified as high, the dam is monitored regularly to uphold safety standards and protect against potential hazards. As a key component of the local water infrastructure, this dam serves as a testament to the ongoing importance of water resource management in the face of changing climatic conditions.