Pinon Canyon Detention is a crucial flood risk reduction structure located in Las Animas, Colorado, near the city of Trinidad. Constructed in 1954, this rockfill dam stands at a height of 73 feet and spans 695 feet in length, providing essential protection for the surrounding area. With a maximum storage capacity of 561 acre-feet and a normal storage capacity of 406 acre-feet, the dam plays a vital role in managing water flow and mitigating the risk of flooding along Pinon Canyon Arroyo.

Managed by local government authorities and regulated by the Colorado Division of Water Resources, Pinon Canyon Detention is subject to regular inspections to ensure its structural integrity and operational effectiveness. The dam has been assessed as being in satisfactory condition, with a high hazard potential due to its location and purpose. In the event of an emergency, the dam's Emergency Action Plan (EAP) is designed to guide response efforts and safeguard the community from potential risks associated with dam failure. Overall, Pinon Canyon Detention serves as a critical infrastructure asset for flood risk management in the region, contributing to the safety and resilience of the surrounding area in the face of changing climate conditions.