Mount Gunnison #1-Fw 1, also known as Arco Fw #1, is a privately owned earth dam located in Gunnison, Colorado. Completed in 1982, this dam stands at 26 feet tall and stretches 500 feet in length, with a primary purpose of water supply. The dam is situated on the North Fork Gunnison River-OS and has a maximum storage capacity of 16 acre-feet, with a normal storage level of 10 acre-feet.

Despite its low hazard potential and satisfactory condition assessment, Mount Gunnison #1-Fw 1 is classified as high risk due to its risk assessment rating of 2. The dam features slide (sluice gate) and uncontrolled outlet gates, and has a spillway width of 10 feet. The last inspection of this dam was conducted in October 2018, with a mandated inspection frequency of 6 years. While there are no associated structures with this dam, it plays a crucial role in water resource management for the surrounding area.

Water resource and climate enthusiasts would be intrigued by the intricacies of Mount Gunnison #1-Fw 1, from its design and construction details to its operational and regulatory aspects. This dam serves as a vital component of the water supply infrastructure in Gunnison, Colorado, highlighting the importance of proper maintenance and inspection protocols to ensure its continued functionality and safety. As discussions surrounding water resource management and climate change intensify, the role of dams like Mount Gunnison #1-Fw 1 becomes increasingly significant in addressing the challenges of a changing environment.