Mock #1, located in Montrose, Colorado, is a privately owned earth dam completed in 1929 for irrigation purposes. Standing at 25 feet in height with a length of 640 feet, this structure plays a vital role in managing water resources in the region. With a maximum storage capacity of 53 acre-feet and a normal storage of 35 acre-feet, Mock #1 serves a drainage area of 12 square miles and can discharge up to 480 cubic feet per second.

Despite its age, Mock #1 has been deemed to have a low hazard potential and fair condition as of the last assessment in 2017. The dam is not equipped with a spillway, but features slide and uncontrolled gates for outlet purposes. The risk assessment for this dam indicates a high risk level, urging the need for continuous monitoring and management measures to ensure its structural integrity and safety. With state regulation, inspection, and enforcement in place, Mock #1 remains a key component in the water resource infrastructure of the area, under the oversight of the Colorado Division of Water Resources.

As climate change continues to impact water availability and usage patterns, Mock #1 stands as a testament to the importance of proper dam maintenance and risk management in safeguarding water resources for irrigation and other purposes. Its location along the Uncompahgre River, within the Albuquerque District of the US Army Corps of Engineers, highlights the interconnectedness of water infrastructure across state and federal levels. With a focus on sustainable water management practices, Mock #1 serves as a critical asset for the community while facing the challenges of a changing climate landscape.