North Prong No. 1 is a privately owned Earth dam located on N. Prong Wild Horse Creek in Sheridan, Wyoming. Built in 2002 for Fish and Wildlife Pond purposes, this structure stands at 26 feet high with a hydraulic height of 18 feet and a length of 262 feet. It has a storage capacity of 312 acre-feet and covers a surface area of 40.9 acres, serving multiple functions such as fire protection, stock, recreation, and fish and wildlife habitat.

Despite its fair condition assessment and low hazard potential, North Prong No. 1 is regulated, permitted, inspected, and enforced by the Wyoming State regulatory agency, ensuring its safety and compliance with state standards. The dam features an uncontrolled spillway with a width of 50 feet and a slide (sluice gate) outlet gate. Its last inspection in 2017 deemed it to be in satisfactory condition, with a moderate risk assessment rating of 3. This structure plays a crucial role in supporting the local ecosystem and providing recreational opportunities in the area.

Managed by private owners, North Prong No. 1 exemplifies the importance of sustainable water resource management and climate resilience. With its strategic location and design, this Earth dam contributes to the conservation of fish and wildlife habitats, while also offering recreational benefits to the community. Its adherence to state regulations and maintenance practices ensure the safety and longevity of this essential water infrastructure for future generations to come.