English Bench Watershed Site 4 in Allamakee, Iowa, is a vital water management site designed by the USDA NRCS to serve multiple purposes such as fire protection, stock watering, and small fish pond creation, as well as flood risk reduction. Completed in 1969, this earth dam stands at a height of 34 feet with a length of 424 feet, providing a storage capacity of 81 acre-feet and covering a surface area of 5 acres. Situated along the TR-Upper Iowa River, this site is regulated by the Iowa DNR and falls under the jurisdiction of the state for permitting, inspection, and enforcement.

With a low hazard potential and a moderate risk assessment rating, English Bench Watershed Site 4 is a crucial infrastructure contributing to water resource management in the region. The dam's condition is currently not rated, but it is regularly inspected by state authorities to ensure its structural integrity and functionality. Located in the city of Mississippi River, this site plays a significant role in water conservation, flood control, and emergency preparedness efforts in the area.

Owned and operated by the local government, English Bench Watershed Site 4 is a key component of the St. Paul District's water management infrastructure. With its uncontrolled spillway type and soil foundation, this dam provides essential water storage and discharge regulation capabilities to protect downstream areas from flooding and support agricultural and ecological needs in the region. As water resource and climate enthusiasts, understanding the importance of such watershed sites is crucial for sustainable water management practices and conservation efforts.