Monroe Twp 8, located in Lambertson, Minnesota, is a privately owned dam managed by AREA II MN RIVER BASIN PROJECTS, INC. Completed in 2010, this earth dam stands at a height of 39 feet with a hydraulic height of 13 feet, serving primarily for flood risk reduction along the Cottonwood River. With a storage capacity of 400 acre-feet and a surface area of 2.5 acres, Monroe Twp 8 plays a crucial role in mitigating potential flooding in the area.

Despite being classified as low hazard potential, Monroe Twp 8 is regulated, permitted, inspected, and enforced by the Minnesota Department of Natural Resources. The dam's condition was last assessed in 2014 and deemed satisfactory, with inspection frequency set at every 8 years. The dam has a spillway width of 160 feet and is designed to handle maximum discharge effectively, ensuring the safety and security of the surrounding community in case of heavy rainfall or extreme weather events.

Monroe Twp 8, with its efficient flood risk reduction capabilities and satisfactory condition assessment, stands as a vital infrastructure in Lyon County, Minnesota. Its strategic location, design, and management by private entities highlight the collaborative efforts in water resource management and climate resilience, aligning with state regulatory standards and ensuring the safety of the community and environment in the face of potential natural disasters.