Lemansany Detention No. 2, also known as Richard Lemansany Detention Dam No. 2, is a privately owned earth dam located in Ramah, El Paso County, Colorado. Built in 1973, this structure serves the primary purpose of flood risk reduction along Big Sandy Creek-TR. With a height of 19 feet and a hydraulic height of 20 feet, this dam has a storage capacity of 93 acre-feet and a normal storage of 48 acre-feet, covering an area of 9 acres.

The dam has a low hazard potential and is currently assessed to be in fair condition as of the last inspection in October 2014. It does not have a spillway but features a width of 130 feet. The maximum discharge capacity of the dam is 3823 cubic feet per second. While it has not been modified in recent years, the dam is under state regulation and has the necessary permits, inspections, and enforcement in place to ensure its safety and functionality.

For water resource and climate enthusiasts, Lemansany Detention No. 2 presents an interesting case study in private dam ownership and the role of regulatory agencies in maintaining dam safety. Its location in a high-risk area adds to the importance of proper risk management measures and emergency preparedness. As climate change continues to impact water resources, understanding the condition and management of dams like Lemansany Detention No. 2 becomes crucial in ensuring the resilience of water infrastructure in the face of changing conditions.