Black Dam, located in Norwood, Iowa, is a privately owned structure designed by the USDA NRCS and regulated by the Iowa DNR. Completed in 1976, this earth dam stands at a height of 30 feet and spans 400 feet in length, with a storage capacity of 79 acre-feet. Primarily serving as a fire protection reservoir, stock pond, and small fish pond, Black Dam also offers recreational opportunities in the area. The dam is considered to have a low hazard potential and a moderate risk assessment rating.

The dam's purpose and design make it a vital resource for the local community, providing not only water storage for various uses but also contributing to the overall ecological balance of the area. With its state-regulated status and regular inspections, Black Dam ensures the safety and sustainability of its operations. The surrounding Lucas County, Iowa, benefits from this structure in terms of both water resource management and recreational activities along the TR-South Otter Creek.

As water resource and climate enthusiasts, the presence of Black Dam serves as a testament to the importance of responsible dam management and the integration of water infrastructure into the fabric of local communities. Its impact on the region's water supply, wildlife habitat, and recreational opportunities underscores the interconnected nature of water resources and the environment. By understanding and appreciating the role of structures like Black Dam, we can work towards a more sustainable future for both our water systems and the communities they support.