Williams Creek Lake in Gunnison, Colorado, is a private reservoir primarily used for irrigation purposes. Built in 1949, this earth dam stands at a height of 19 feet and has a storage capacity of 160 acre-feet. The lake covers an area of 12 acres and is situated along the Muddy Creek-TR river. Despite its low hazard potential and fair condition assessment, the dam has a high risk assessment rating, indicating the need for careful monitoring and risk management measures.

Owned and regulated by the state, Williams Creek Lake is subject to routine inspections, with the last assessment conducted in October 2013. The dam features a slide gate and uncontrolled outlet gates, with a spillway width of 16 feet. While the dam's structural height reaches 27 feet, its hydraulic height stands at 20 feet. With a max discharge capacity of 553 cubic feet per second, the reservoir serves not only for irrigation but also for fire protection, stock watering, and as a small fish pond, showcasing its versatility in water resource management.

Located in Somerset and managed by the Sacramento District, Williams Creek Lake offers a picturesque setting for water resource and climate enthusiasts to explore. With its historical significance dating back over seven decades, this private reservoir continues to play a vital role in sustaining local agriculture and wildlife. As one of the many water infrastructure projects in Colorado, Williams Creek Lake serves as a reminder of the importance of maintaining and managing water resources for future generations in a changing climate landscape.