Hanson No. 2, located in Niobrara, Wyoming, is a private earth dam completed in 1950 for fire protection, stock, or small fish pond purposes. With a dam height of 27 feet and a hydraulic height of 22 feet, this structure on Hanson Draw offers a maximum storage capacity of 79 acre-feet and a surface area of 7 acres. Despite having a low hazard potential, the dam's condition assessment in 2017 revealed poor conditions, prompting the need for regular inspections every five years.

The dam features an uncontrolled spillway with a width of 100 feet and an outlet gate valve, ensuring proper water management. Situated in a secluded area with a moderate risk assessment rating, Hanson No. 2 is under the jurisdiction of the Wyoming State Engineer's Office and is subject to state regulation, permitting, inspection, and enforcement. The dam serves as a vital resource for fire protection and livestock needs in the region, highlighting its significance in water resource management and climate resiliency efforts.

As climate change continues to impact water resources and infrastructure, the maintenance and upkeep of structures like Hanson No. 2 are crucial for ensuring the safety and sustainability of communities in the area. With its historical significance and functional purpose, this earth dam remains a key component in the local water management system, showcasing the intersection of human activity and natural forces in maintaining a balance between water conservation and environmental protection.