The Essar Steel Reclaim Pond, located in Pengilly, Minnesota, is a private water resource facility built on the old Butler Taconite Tailings Dam. This earth dam, with a height of 70 feet and a length of 9600 feet, serves primarily for tailings storage. Completed in 2011 by Essar Steel, the pond has a storage capacity of 9600 acre-feet and covers a surface area of 192 acres. The dam is state regulated and inspected, with a satisfactory condition assessment as of June 2014.

The Essar Steel Reclaim Pond plays a crucial role in managing tailings in the area, with a high hazard potential due to its size and function. Despite its potential risks, the dam is maintained in a satisfactory condition, meeting state regulatory standards and inspection requirements. The facility is located near O'Brien Creek in Itasca County, Minnesota, and falls under the jurisdiction of the Minnesota Department of Natural Resources' Division of Ecological and Water Resources.

With its significant storage capacity and strategic location, the Essar Steel Reclaim Pond serves as a vital component of water resource management in the region. As a private facility, it underscores the importance of private sector involvement in maintaining and regulating critical water infrastructure. Climate and water resource enthusiasts will find interest in the design and function of this earth dam, which stands as a testament to the importance of sustainable water management practices in mitigating environmental impacts.