Haglund,Dennis is a privately owned dam located in Pierce, Wisconsin, with a primary purpose of serving as a fire protection, stock, or small fish pond. Built in 1972 by the USDA NRCS, this earth dam stands at 30 feet high and spans 200 feet in length. With a storage capacity of 22 acre-feet, it covers a surface area of 1 acre and drains a smaller area of 0.3 square miles. The dam has a low hazard potential and a moderate risk assessment rating.

Managed by the Wisconsin Department of Natural Resources, Haglund,Dennis is regulated, permitted, inspected, and enforced by state agencies to ensure its safety and compliance with regulations. Despite being last inspected in 2010, with an inspection frequency of 10 years, the dam's condition assessment is currently not rated. The dam has an uncontrolled spillway type and a maximum discharge capacity of 122 cubic feet per second. While the dam does not have an Emergency Action Plan (EAP) in place, it meets the guidelines for risk management measures.

For water resource and climate enthusiasts, Haglund,Dennis offers a fascinating case study of a small-scale dam serving multiple purposes in a rural setting. Its location in the Morgan Coulee Creek watershed provides valuable insights into the importance of proper dam management for water supply, agricultural needs, and environmental conservation. With its historic construction and ongoing regulatory oversight, Haglund,Dennis exemplifies the intricate balance between human infrastructure and natural ecosystems, highlighting the critical role of responsible dam ownership and maintenance in mitigating potential risks and ensuring long-term sustainability.