Big Wyacondah Watershed Site 27-1, located in Davis County, Iowa, is a crucial water resource managed by the local government for fire protection, stock, and small fish pond purposes. The earth dam, constructed in 1966 by USDA NRCS, stands at a height of 28 feet and spans a length of 558 feet, with a storage capacity of 205 acre-feet. The dam regulates the TR-South Wyacondah River, serving as a flood risk reduction measure for the surrounding area.

Despite being categorized as a low hazard potential structure, the dam at Big Wyacondah Watershed Site 27-1 plays a significant role in water management and conservation efforts in the region. The structure's normal storage capacity of 62 acre-feet and drainage area of 1.03 square miles contribute to its moderate risk assessment rating. While the dam's condition is currently not rated, regular state inspections ensure its operational efficiency and safety.

With its strategic location and purposeful design, Big Wyacondah Watershed Site 27-1 stands as a vital component of the water infrastructure in Iowa. Managed by the Iowa Department of Natural Resources, the dam serves as a testament to the collaborative efforts between local and federal agencies in water resource management and climate resilience. Its historical significance and practical functionality make it a cornerstone of sustainable water resource practices in the region.