Abbey Detention Basin, located in Canon City, Colorado, is a crucial flood risk reduction structure managed by the local government. Designed by Adam Lancaster and completed in 2005, this Earth dam stands at a height of 17 feet and has a hydraulic height of 14 feet. With a storage capacity of 86 acre-feet, it serves the primary purpose of flood risk reduction along the tributary to Fourmile Creek.

The basin boasts a significant hazard potential with a satisfactory condition assessment as of the last inspection in August 2019. It features an uncontrolled spillway with a width of 133 feet and is equipped with needle outlet gates. Despite its moderate risk assessment rating, Abbey Detention Basin plays a crucial role in protecting the surrounding area from potential flooding events. Its location in Fremont County, Colorado, highlights its importance in mitigating flood risks and ensuring the safety of nearby communities.