Norall No. 1 is a privately owned earth dam located on Dry Willow Creek in Campbell County, Wyoming. The dam stands at a height of 38 feet with a hydraulic height of 29 feet and a length of 550 feet. Its primary purpose is for water supply, with a storage capacity of 271 acre-feet and a surface area of 24 acres. The dam has a low hazard potential and is classified as being in fair condition as of the last inspection in August 2018.

This dam plays a crucial role in water resource management in the region, serving as a reliable source for the surrounding areas. With a drainage area of 3.3 square miles and a maximum discharge of 1363 cubic feet per second, Norall No. 1 helps regulate water flow and supply in the watershed. Although the dam has not been modified in recent years, it undergoes regular inspections and is equipped with an uncontrolled spillway with a width of 120 feet to manage excess water during peak flows.

Despite its moderate risk assessment, Norall No. 1 remains a vital infrastructure for water supply and climate resilience in the area. With state jurisdiction, regulation, inspection, and enforcement in place, the dam continues to fulfill its intended purpose effectively. As water resource enthusiasts, staying informed about the condition and management of structures like Norall No. 1 is essential for ensuring sustainable water management practices and mitigating potential risks associated with climate variability.