Hardisty, also known as Dougal Reservoir, is a private water resource located in Owyhee County, Idaho. Built in 1914, this earth dam stands at 30.9 feet high and has a storage capacity of 789 acre-feet. The reservoir covers a surface area of 75.3 acres and is fed by Cherry Creek and Dougherty Creek, making it a vital source of water for the region.

Managed by the Natural Resources Conservation Service, Hardisty is regulated by the Idaho Department of Water Resources and undergoes regular inspections to ensure its structural integrity and safety. The dam's spillway is of the controlled type with a width of 18 feet, capable of handling a maximum discharge of 550 cubic feet per second. Despite being assessed as in fair condition as of July 2020, the reservoir is classified as having a significant hazard potential and a very high risk level.

With its historic significance and crucial role in water management, Hardisty serves as a key asset in the region's water resource infrastructure. Its presence highlights the importance of proper regulation and maintenance of dams to mitigate risks and ensure sustainable water management practices in the face of a changing climate. As a site of both natural beauty and engineered resilience, Hardisty stands as a testament to the intersection of human ingenuity and environmental stewardship.