Soap Creek Watershed Site 90-84, located in Wapello, Iowa, is a vital water resource managed by the local government with oversight from the Iowa Department of Natural Resources. This site, completed in 2004 by the USDA NRCS, serves as a flood risk reduction measure along the TR- Little Soap Creek. The earth dam stands at 33 feet tall and stretches 665 feet in length, providing a storage capacity of 892 acre-feet and covering a surface area of 26.8 acres.

With a low hazard potential and moderate risk assessment rating, Soap Creek Watershed Site 90-84 plays a crucial role in managing water flow in the region. The dam, constructed with soil foundations, is designed to withstand the demands of flood control while ensuring the safety of nearby communities. Despite being marked as "Not Rated" in terms of condition assessment, the site is regularly inspected and maintained to meet state regulatory standards, including permitting, inspection, and enforcement by the Iowa DNR.

Managed by the Natural Resources Conservation Service, Soap Creek Watershed Site 90-84 is an essential flood risk reduction infrastructure in the area. With its strategic location and design, this site contributes significantly to water resource management and climate resilience efforts in the region, safeguarding communities and ecosystems from the impacts of extreme weather events and flooding.