Rock Twp 33, located in Pipestone, Minnesota, is a privately-owned dam with a primary purpose of flood risk reduction along the East Branch Rock River. This rockfill dam stands at a height of 29.8 feet and has a storage capacity of 17.4 acre-feet. With a low hazard potential, Rock Twp 33 is regulated by the Minnesota Department of Natural Resources and undergoes regular inspections to ensure its structural integrity.

The dam, completed at an unspecified date, covers a surface area of 0.5 acres and has a drainage area of 0.03 square miles. While its condition is currently not rated, Rock Twp 33 is equipped with spillway structures to manage excess water flow during periods of heavy rainfall. The surrounding area is designated for flood risk reduction, emphasizing the importance of this dam in protecting the local community from potential water-related disasters.

Overall, Rock Twp 33 serves as a vital infrastructure for managing water resources and mitigating flood risks in the region. Its strategic location in Edgerton, Minnesota, along with its low hazard potential and state-regulated status, highlights the importance of this dam in safeguarding the surrounding area from the impacts of climate change and extreme weather events.