Nspc Initial Tailings, also known as Keetac, is a private-owned tailings structure located in Pengilly, Minnesota. Regulated by the Minnesota Department of Natural Resources, this earth dam stands at a height of 45 feet and was completed in 1968. With a capacity of 1,050 acre-feet, its primary purpose is for tailings storage in the area. The dam is situated on the Swan River-OS, in St. Louis County, and has a low hazard potential with a satisfactory condition assessment as of the last inspection in 2013.

Covering an area of 24,100 feet in length, Nspc Initial Tailings serves as an essential structure in the region for managing water resources and climate impacts. The dam has a normal storage capacity of 160 acre-feet and a drainage area of 3.9 square miles. Despite its low hazard potential, the dam undergoes regular inspections and is subject to state permitting, inspection, and enforcement to ensure its safety and integrity for the surrounding community and environment.

With its strategic location in Minnesota and efficient design, Nspc Initial Tailings plays a crucial role in water management and climate resilience efforts in the area. As a vital earth dam structure, it highlights the importance of responsible tailings storage and regulation to mitigate potential risks and safeguard water resources for future generations. Its satisfactory condition and low hazard potential underscore the commitment to maintaining high safety standards and environmental protection for the community and ecosystem.