Western Hibtac, located in Grand Rapids, Minnesota, is a privately owned dam on Rock Lake Creek with a primary purpose of holding tailings. Completed in 1978, this earth dam stands at a structural height of 100 feet and spans 20,900 feet in length. It has a storage capacity of 30,000 acre-feet and covers a surface area of 2,500 acres.

The dam is regulated by the Minnesota Department of Natural Resources and undergoes regular inspections, with the last assessment in 2013 rating its condition as satisfactory. With a significant hazard potential and moderate risk assessment, Western Hibtac is equipped with uncontrolled spillways and has a maximum discharge capacity of 1,000 cubic feet per second. The dam serves as a crucial structure in managing water resources in the area, ensuring the safety and stability of the surrounding environment.

Overall, Western Hibtac plays a vital role in water resource management in St. Louis County, Minnesota, serving as a key component in the local infrastructure. As a privately owned structure, it is subject to state regulations and inspection protocols to maintain its functionality and prevent hazards. With its strategic location and significant storage capacity, Western Hibtac stands as a testament to the importance of effective dam management in safeguarding the region's water resources and mitigating the impacts of climate change.