Located in Ringgold County, Iowa, the West Fork Big Creek Watershed Site W-35 is a grade stabilization dam with a primary purpose of preventing erosion and stabilizing the surrounding area. Built in 2001 by the USDA NRCS, this earth dam stands at a height of 23 feet and spans 480 feet in length, with a storage capacity of 81 acre-feet. The dam is situated on Tr- Wolf Creek and is regulated by the Iowa DNR, with state permitting, inspection, and enforcement in place to ensure its safety and functionality.

With a low hazard potential and a moderate risk assessment rating of 3, the West Fork Big Creek Watershed Site W-35 is deemed to be in satisfactory condition. While the dam has not been rated for its current condition, it meets the guidelines for emergency action plans, although specific details regarding preparedness and risk management measures are not provided. As a key structure in the area for grade stabilization, the dam plays a crucial role in managing water resources and protecting the environment in this region of Iowa.