West Fork Big Creek Watershed Site B-11 is a flood risk reduction structure located in Ringgold County, Iowa. Built in 2005 by the USDA NRCS, this earth dam stands at a height of 23 feet and spans a length of 520 feet. With a storage capacity of 67 acre-feet, the dam serves the primary purpose of flood risk reduction along the TR-Kuder Creek.

Owned and regulated by the local government and the Iowa DNR, West Fork Big Creek Watershed Site B-11 is classified as having a low hazard potential and a moderate risk assessment. Despite its condition being marked as "Not Rated," the dam is equipped with an uncontrolled spillway and serves an important role in mitigating flood risks in the area. The structure has not been modified since its completion and is subject to state inspection, permitting, and enforcement.

Overall, West Fork Big Creek Watershed Site B-11 is a crucial piece of infrastructure for managing water resources and mitigating flood risks in Ringgold County, Iowa. With its strategic location and design, this earth dam plays a key role in protecting the surrounding area from potential inundation events. Enthusiasts of water resources and climate will appreciate the significance of this structure in sustaining the environmental and hydrological balance of the region.