Soap Creek Watershed Site 4-88, located in Appanoose County, Iowa, is a crucial water resource managed by the local government for fire protection, stock, and small fish pond purposes. This earth dam, completed in 1992 by the USDA NRCS, stands at a height of 29 feet and spans a length of 336 feet, providing a storage capacity of 17 acre-feet. Despite its low hazard potential, the dam is regulated by the Iowa DNR and undergoes regular inspections, permitting, and enforcement to ensure its structural integrity and safety.

Situated along the TR- North Soap Creek, this dam serves as a flood risk reduction measure for the surrounding area, covering a drainage area of 0.07 square miles. While the spillway type is uncontrolled, the dam's condition is currently marked as "Not Rated," with a moderate risk assessment score of 3. With no associated structures and minimal modifications over the years, Soap Creek Watershed Site 4-88 remains a vital component of the local water infrastructure, contributing to the region's water management and conservation efforts. For water resource and climate enthusiasts, this site exemplifies the careful planning and maintenance required to safeguard water resources in the face of changing environmental conditions.