Carlson-Friermuth Detention No. 2, located in Kellogg, Minnesota, along the Zumbro River, is a privately owned earth dam designed by the USDA NRCS in 1976 for flood risk reduction. With a height of 23.2 feet and a length of 505 feet, this structure serves to store and manage water during times of high discharge, with a normal storage capacity of 25 acre-feet. Despite its low hazard potential and satisfactory condition assessment, the dam is regulated by the Minnesota Department of Natural Resources and undergoes regular inspections to ensure its functionality.

Managed by private owners, Carlson-Friermuth Detention No. 2 plays a crucial role in mitigating flood risks in the region, with a maximum discharge capacity of 556 cubic feet per second. The dam is equipped with uncontrolled spillways and outlet gates, reflecting its design for efficient water control. Its location in Wabasha County, Minnesota, highlights the importance of water resource management in rural areas, especially with a drainage area of 0.8 square miles and a primary purpose focused on flood risk reduction.

As a part of the larger ecosystem along the Zumbro River, this earth dam serves as a vital infrastructure for water resource and climate enthusiasts interested in understanding how human-made structures can impact natural water systems. With its moderate risk assessment and compliance with state regulatory agencies, Carlson-Friermuth Detention No. 2 exemplifies the balance between human intervention and environmental conservation in safeguarding communities against the adverse effects of flooding.