Soap Creek Watershed Site 90-87, located in Wapello, Iowa, is a vital structure managed by the local government to regulate water resources in the area. Designed by the USDA NRCS and completed in 1994, this earth dam stands at a height of 23 feet and serves multiple purposes including fire protection, stock, or small fish pond, flood risk reduction, and more. With a drainage area of 0.3 square miles and a maximum storage capacity of 85 acre-feet, this dam plays a crucial role in water management in the region.

Situated on the TR- Little Soap Creek, the Soap Creek Watershed Site 90-87 is regulated by the Iowa DNR and undergoes state permitting, inspection, and enforcement processes to ensure its proper functioning and safety. With a low hazard potential and a moderate risk assessment rating, this structure is essential for maintaining water quality, mitigating flooding risks, and supporting the local ecosystem. Despite not being rated for condition assessment, this site remains a key component in the overall water resource management strategy in the area.

Managed by the Natural Resources Conservation Service, Soap Creek Watershed Site 90-87 is a critical infrastructure in the region, with a surface area of 4.6 acres and a normal storage capacity of 19 acre-feet. While it currently does not have an Emergency Action Plan in place, it is important for water resource and climate enthusiasts to monitor and support the maintenance and upkeep of this dam to ensure its continued effectiveness in water management and environmental conservation efforts.