Located in Cottonwood County, Minnesota, Germantown Twp 30 is a rockfill dam designed for flood risk reduction on Dry Creek-TR. The dam, with a height of 13.9 feet and a length of 690 feet, serves as a critical infrastructure owned by the local government. Managed by the Minnesota Department of Natural Resources, the dam is regulated, inspected, and enforced by state agencies to ensure its safety and functionality. With a low hazard potential and satisfactory condition assessment, Germantown Twp 30 provides essential flood protection for the surrounding area.

The dam has a storage capacity of 84 acre-feet, primarily used for flood risk reduction purposes. Despite having a normal storage of 0 acre-feet, Germantown Twp 30 plays a crucial role in mitigating potential floods in the region. The dam's last inspection in May 2018 deemed it to be in satisfactory condition, indicating its reliability in safeguarding the community from potential water-related disasters. With no associated structures and a low hazard potential, Germantown Twp 30 stands as a dependable asset in managing water resources and climate challenges in the area.

As part of the St. Paul District, Germantown Twp 30 is situated in an area represented by Collin Peterson (D) in Congress. With state permitting, inspection, and enforcement in place, the dam adheres to regulatory standards set by the state of Minnesota. While the dam has not undergone modifications in recent years, its effective performance in flood risk reduction underscores its importance in water resource management. Germantown Twp 30 serves as a testament to the proactive measures taken to address climate-related issues and protect the community from potential water hazards.