Located in Monona, Iowa, Charles Woods Lake Dam is a privately owned structure that serves primarily for recreational purposes. Built in 1974, the dam stands at a height of 42 feet and spans 560 feet in length, creating a reservoir with a storage capacity of 224 acre-feet. The dam sits on the TR-Little Sioux river, with the Iowa Department of Natural Resources overseeing its regulation, permitting, inspection, and enforcement.

With a low hazard potential and a moderate risk assessment rating, Charles Woods Lake Dam is considered a relatively safe structure. Although its condition assessment is currently listed as "Not Rated," the dam's risk management measures and emergency action plans are not publicly available. Despite these uncertainties, the dam continues to provide recreational opportunities for residents and visitors to the Little Sioux area. As water resource and climate enthusiasts, it is crucial to monitor and advocate for proper maintenance and safety protocols for structures like Charles Woods Lake Dam to ensure their longevity and effectiveness in the face of changing environmental conditions.