Mader Pond, located in Carlton County, Minnesota, is a privately owned earth dam completed in 1971 with a primary purpose categorized as "Other." The dam stands at 22 feet high and stretches 392 feet in length, holding a maximum storage capacity of 98 acre-feet. With a low hazard potential and fair condition assessment, this structure is regulated by the Minnesota Department of Natural Resources and undergoes regular inspections every eight years.

Situated within the Net River watershed, Mader Pond serves as a crucial water resource for the local community in Holyoke. With a drainage area of 1.1 square miles and a normal storage capacity of 17 acre-feet, the pond plays a role in flood control and water management for the surrounding area. Despite its modest size, the dam is equipped to handle a maximum discharge of 524 cubic feet per second, ensuring the safety and stability of the structure during periods of heavy rainfall.

Managed by private owners, Mader Pond offers a unique opportunity for water resource and climate enthusiasts to explore the intersection of human infrastructure and environmental conservation. With its historical significance dating back to the early 1970s, this earth dam continues to provide valuable insights into sustainable water management practices and the importance of maintaining critical infrastructure in the face of changing climate conditions.