W. Cherry Creek Detention #11 is a crucial flood risk reduction structure located in Franktown, Douglas County, Colorado. Built in 1961 by the USDA NRCS, this earth dam stands at a height of 37 feet and has a hydraulic height of 36 feet, with a structural height of 40 feet. With a storage capacity of 418 acre-feet and a drainage area of 6 square miles, the dam plays a vital role in mitigating flood risks along the West Cherry Creek-TR river.

Despite being classified as having a low hazard potential, W. Cherry Creek Detention #11 is rated as having a fair condition assessment as of September 2020. The dam has a spillway width of 400 feet, with a maximum discharge capacity of 6220 cubic feet per second. The structure underwent its last inspection in September 2020 and is subject to regular state regulation, permitting, inspection, and enforcement by the Colorado Department of Water Resources.

Water resource and climate enthusiasts will appreciate the historical significance and engineering details of W. Cherry Creek Detention #11, which continues to serve its primary purpose of flood risk reduction in the region. Its strategic location and design contribute to the overall water management and safety measures in the area, showcasing the importance of effective infrastructure in safeguarding against natural disasters.