Turkey Cr Watershed Site 19-21 in Cass, Iowa, is a local government-owned structure designed by USDA NRCS with a primary purpose of fire protection, stock, or small fish pond, as well as flood risk reduction. The earth dam, completed in 1972, stands at 34 feet high and spans 693 feet in length, with a storage capacity of 109 acre-feet. Situated along the TR-LONE TREE BRANCH river/stream, this site plays a crucial role in managing water resources in the area.

Managed by the Iowa DNR, Turkey Cr Watershed Site 19-21 is state-regulated and permitted, with inspections and enforcement in place for safety and compliance. The dam has a low hazard potential and is currently in a not rated condition assessment status. Despite its moderate risk level, the site's risk management measures and emergency preparedness plans are not specified, leaving room for improvement in ensuring the safety and integrity of the structure. With its strategic location and purpose, this site serves as a key component in water resource management and climate resilience efforts in the region.

Overall, Turkey Cr Watershed Site 19-21 is a vital infrastructure for water management and environmental protection in the area. With its multiple purposes and regulatory oversight, this earth dam plays a significant role in flood risk reduction and maintaining water quality in the TR-LONE TREE BRANCH. As climate change impacts continue to pose challenges, the proper maintenance and risk management of this site are essential for ensuring the safety and well-being of the surrounding community and ecosystem.