Weed Dam, located in Woodbine, Iowa, along TR-Mill Creek, was completed in 1959 with a primary purpose of fire protection, stock, or small fish pond. Owned privately and regulated by the Iowa Department of Natural Resources, this earth dam stands at 37 feet tall and spans 475 feet in length. With a storage capacity of 44 acre-feet and a surface area of 2 acres, Weed Dam plays a crucial role in managing water resources in the area.

Managed by the USDA NRCS, Weed Dam serves as a low hazard structure with a moderate risk assessment. While its condition is currently not rated, the dam undergoes state inspections and permitting to ensure its safety and functionality. Despite being uncontrolled, the spillway type of Weed Dam allows for controlled water discharge during high flow events, mitigating potential risks and ensuring the surrounding community's safety.

For water resource and climate enthusiasts, Weed Dam presents an intriguing case study of a privately owned, state-regulated structure that serves multiple purposes beyond flood control. As a key feature along TR-Mill Creek, Weed Dam highlights the importance of proper dam management and regulation in maintaining water resources and protecting against potential hazards. With its historical significance and ongoing monitoring, Weed Dam stands as a testament to the intersection of water infrastructure, environmental stewardship, and public safety in Iowa's water landscape.