Located in Jefferson, Iowa, the Rocky Branch Creek Watershed Site C-3b1 is a vital earth dam constructed in 1969 for fire protection, stock, small fish pond purposes, and flood risk reduction. Managed by the USDA NRCS, this low hazard potential structure spans 28 feet in height and stores 15 acre-feet of water within its 1-acre surface area. With a drainage area of 0.07 square miles, the dam serves as a crucial resource for the local community of Rome, providing essential water management for agricultural and environmental purposes.

Despite its moderate risk assessment, this dam has not been rated for its condition, and no emergency action plan (EAP) has been prepared. However, the Iowa DNR oversees the state permitting, inspection, and enforcement processes to ensure the safety and functionality of the structure. With its uncontrolled spillway type, the Rocky Branch Creek Watershed Site C-3b1 is a significant component of the overall water management strategy for the area, contributing to flood risk reduction and water conservation efforts. As a key feature in the local landscape, this dam plays a crucial role in maintaining the ecological balance of the region.

Overall, the Rocky Branch Creek Watershed Site C-3b1 stands as a testament to effective water resource management and climate resilience in the Jefferson, Iowa area. With its strategic location on TR-ROCKY BRANCH CREEK and its association with the Natural Resources Conservation Service, this earth dam not only provides essential water storage capacity but also serves as a safeguard against potential flood risks. As climate change continues to impact the region, structures like this play a critical role in maintaining the balance between water resource utilization and environmental conservation, making them indispensable assets for sustainable development in the local community.