Bacon Creek Watershed Site A-2-1 is a crucial flood risk reduction structure located in Woodbury County, Iowa. Built in 1978 by the USDA NRCS, this earth dam stands at a height of 55 feet and spans a length of 390 feet, providing a storage capacity of 94 acre-feet. Situated along TR-Bacon Creek, this site plays a significant role in protecting the surrounding area from potential flooding events, with a hazard potential classified as "Significant" and a moderate risk assessment rating of 3.

Owned by the local government and regulated by the Iowa DNR, Bacon Creek Watershed Site A-2-1 is subject to state inspection, permitting, and enforcement to ensure its structural integrity and functionality. With a primary purpose of flood risk reduction, this dam also serves fire protection, stock, or small fish pond purposes. Despite not having a condition assessment rating, this site remains a critical component of the water resource management infrastructure in the region. As an essential feature in the Omaha District, its presence contributes to the overall resilience of the area against potential water-related hazards.

Located in Sioux City, Iowa, Bacon Creek Watershed Site A-2-1 stands as a testament to the collaborative efforts of various agencies and stakeholders in safeguarding the community against flooding risks. With a history dating back to 1978, this earth dam continues to serve its purpose effectively, with a normal storage capacity of 56 acre-feet and a drainage area of 0.19 square miles. As climate change continues to impact water resources, the significance of structures like Bacon Creek Watershed Site A-2-1 cannot be understated in ensuring the long-term sustainability and resilience of the surrounding environment.