Located in Jackson, Minnesota, the Gruhlke dam stands as a testament to flood risk reduction efforts in the area. Built in 1974 by the USDA NRCS, this earth dam spans 425 feet in length and reaches a height of 41 feet, serving the primary purpose of flood risk reduction along the Des Moines River. Despite its significant hazard potential, the dam's condition is assessed as satisfactory, with the last inspection in November 2018 revealing no major concerns.

Managed by the Minnesota Department of Natural Resources, the Gruhlke dam is subject to state regulation, permitting, inspection, and enforcement to ensure its structural integrity and operational efficiency. The dam's storage capacity of 105 acre-feet plays a crucial role in managing water levels and mitigating flood risks in the surrounding area. With a moderate risk assessment rating and a satisfactory condition assessment, the Gruhlke dam stands as a vital piece of infrastructure in the region's water resource and climate management efforts.

As a key element in the flood risk reduction strategy for Jackson, Minnesota, the Gruhlke dam plays a crucial role in protecting the local community from potential water-related disasters. With its uncontrolled spillway and buttress core design, the dam's construction by the Natural Resources Conservation Service reflects a commitment to sustainable water management practices. While the dam's hazard potential is significant, its satisfactory condition and regular inspections demonstrate a dedication to ensuring the safety and effectiveness of this essential water resource infrastructure.