Twelve Mile Creek Watershed Site 67, located in Union County, Iowa, is a vital resource managed by the local government for various purposes including fire protection, stock maintenance, and small fish pond activities. This earth dam, constructed in 1979 by USDA NRCS, stands at a height of 28 feet and spans 320 feet, with a storage capacity of 50 acre-feet. The dam serves as a flood risk reduction measure for the surrounding area, with a drainage area of 0.21 square miles and a surface area of 3.1 acres.

Managed by the Iowa Department of Natural Resources, this dam is regulated, permitted, and inspected to ensure its structural integrity and functionality. With a low hazard potential and a moderate risk assessment rating, the site is considered to be in satisfactory condition, although its emergency action plan and risk management measures are yet to be fully established. The location's proximity to Twelve Mile Creek enhances its ecological importance, making it an essential component of the local water resource management system in the region.

Overall, Twelve Mile Creek Watershed Site 67 serves as a crucial infrastructure for water resource management and climate resilience in the area. With its strategic positioning, effective regulation, and multiple purposes, this dam plays a significant role in mitigating flood risks, supporting local agricultural activities, and ensuring the overall ecological balance of the watershed. Enthusiasts of water resources and climate management can appreciate the site's importance in sustainable development and environmental conservation efforts in Union County, Iowa.