Nast Reservoir, located in Pitkin, Colorado, is a federally owned water body managed by the USDA Forest Service for the primary purpose of Fish and Wildlife Pond. Built in 1966, this Earth dam stands at a height of 10 feet and has a length of 425 feet, providing a storage capacity of 50 acre-feet. The reservoir is fed by the diversion of the Frying Pan River, making it a vital resource for supporting aquatic ecosystems and wildlife in the area.

With a low hazard potential and a moderate risk assessment score of 3, Nast Reservoir is considered a relatively safe structure. The dam features an uncontrolled spillway and outlet gates, ensuring water management and safety during peak flow events. While not currently rated for its condition, the reservoir undergoes inspection every 10 years to monitor its integrity and functionality. Despite its small drainage area of 2 square miles, the reservoir plays a crucial role in maintaining the local ecosystem and supporting recreational activities in the region.

As a key component of the water resource infrastructure in the area, Nast Reservoir serves as a valuable asset for conservation efforts and wildlife management. With its tranquil setting and important ecological functions, the reservoir offers a picturesque location for outdoor enthusiasts and climate advocates to appreciate and protect. Its strategic location and operational history make it a significant site for understanding the intersection of water resources, climate resilience, and environmental stewardship in Colorado's diverse landscape.