Little Canyon, also known as Morrow Reservoir, is a private water resource nestled in the scenic Elmore County, Idaho. Completed in 1919, this earth and stone dam stands at a height of 29.9 feet and has a capacity of 575 acre-feet. Situated on Little Canyon Creek and the Snake River, this dam serves multiple purposes, with a controlled spillway width of 17 feet and a maximum discharge capacity of 57 cubic feet per second.

With a significant hazard potential and a fair condition assessment, Little Canyon Dam is regulated by the Idaho Department of Water Resources. The dam has a drainage area of 1.8 square miles and a surface area of 60 acres, making it a crucial water resource in the region. Despite its age, the dam has undergone regular inspections, with the last assessment conducted in May 2018 to ensure its structural integrity and safety.

Water resource and climate enthusiasts will appreciate the historical significance and environmental impact of Little Canyon Dam. As a vital infrastructure in the region, it not only provides water storage but also serves as a protective measure against potential flooding. With its very high risk assessment and state-regulated status, this dam showcases the importance of proper monitoring and maintenance to ensure the safety and sustainability of our water resources in the face of changing climate conditions.