Twin Ponies Watershed Site 8 is a vital water resource site located in Pottawattamie, Iowa, along the TR- Pony Creek. This site, managed by the local government, serves multiple purposes including fire protection, stock, small fish pond, and flood risk reduction. The dam, constructed in 1990 by the USDA NRCS, is an earth dam with a height of 36 feet and a length of 870 feet, providing a storage capacity of 35 acre-feet and covering a surface area of 1 acre.

Despite its low hazard potential, the dam at Twin Ponies Watershed Site 8 is regulated and permitted by the Iowa DNR, with inspections and enforcement in place to ensure its safety and functionality. The site has not been rated for condition assessment, but it has a moderate risk level (3) according to the data. With its strategic location along the Missouri River and the significant drainage area it serves, this watershed site plays a crucial role in managing water resources and mitigating flood risks in the region. For water resource and climate enthusiasts, Twin Ponies Watershed Site 8 offers a fascinating insight into the infrastructure and management of essential water resources in Iowa.