Tetonka Ridge, located in Lincoln County, Minnesota, is a rockfill dam with a primary purpose of flood risk reduction along the Medary Creek-TR. The dam stands at a height of 52 feet with a length of 400 feet, providing a storage capacity of 52 acre-feet. Despite its low hazard potential, the dam is state-regulated and subject to regular inspections, enforcement, and permitting by the Minnesota Department of Natural Resources, ensuring its structural integrity and safety measures are up to date.

The dam's design includes a buttress core type and is situated in an area with a drainage area of 0.58 square miles. With a normal storage capacity of 12 acre-feet and a surface area of 4 acres, Tetonka Ridge plays a crucial role in mitigating flood risks in the region. While the dam's condition assessment is currently not rated, its last inspection in May 2019 indicated a low hazard potential, highlighting its importance in safeguarding the surrounding area from potential flooding events.

As a private-owned structure, Tetonka Ridge stands as a key component in the flood risk reduction efforts in the area, showcasing the collaboration between private owners and state regulatory agencies to ensure the safety and resilience of water resources in Minnesota. With its strategic location and design features, Tetonka Ridge serves as a vital asset in protecting the community from potential flooding disasters, underlining the importance of proactive dam management and regulatory oversight in safeguarding water resources and climate resilience.