Holt Twp 19, located in Lanesboro, Minnesota, is a privately owned dam with a primary purpose of flood risk reduction along the Root River South Branch. This rockfill dam stands at a height of 31.5 feet and has a storage capacity of 18.7 acre-feet, serving an important role in managing water levels and protecting the surrounding area from potential flooding events. While it has a low hazard potential, the dam is regulated and inspected by the Minnesota Department of Natural Resources to ensure its structural integrity and safety.

The dam was last inspected in May 2018, with a frequency of every 8 years, and is currently rated as "Not Rated" in terms of its condition assessment. Despite its age and lack of recent modifications, Holt Twp 19 continues to fulfill its purpose effectively, showcasing the importance of proper maintenance and regulation of water resource infrastructure. With its strategic location and crucial role in flood risk reduction, this dam serves as a key asset in the broader water management efforts in Fillmore County, Minnesota.