Three Mile Creek Watershed Site 14-G is a dam located in Union County, Iowa, specifically in the city of Talmage. Built in 1970 by the USDA NRCS, this earth dam serves multiple purposes including fire protection, stock, small fish pond, and flood risk reduction. With a height of 31 feet and a length of 465 feet, the dam has a storage capacity of 76 acre-feet and covers a surface area of 5.7 acres, draining an area of 0.3 square miles.

Managed by the Iowa DNR, this site is regulated, permitted, inspected, and enforced by state agencies to ensure compliance with safety standards. Classified as having a low hazard potential with a moderate risk rating, the dam has not been conditionally assessed or rated. While there is no emergency action plan (EAP) in place, the dam meets guidelines for risk management measures. Overall, Three Mile Creek Watershed Site 14-G is a crucial infrastructure for water resource management and climate resilience in the region, contributing to the protection of local communities and ecosystems from potential flooding events.