Turkey Cr Watershed Site 23-20 in Cass, Iowa is a local government-owned dam designed by USDA NRCS with a primary purpose of fire protection, stock, or small fish pond. Completed in 1974, this earth dam with a height of 20 feet and a length of 575 feet serves multiple purposes including flood risk reduction. The dam has a normal storage capacity of 26 acre-feet and covers a surface area of 5.7 acres, with a drainage area of 0.21 square miles.

Located on the TR-ELLER Branch of Turkey Cr, this dam is regulated by the Iowa Department of Natural Resources and is inspected and enforced by state authorities. With a low hazard potential and a moderate risk assessment rating, Turkey Cr Watershed Site 23-20 is a vital component of the local water resource infrastructure. It plays a crucial role in providing fire protection, stock watering, and recreational opportunities for the community while also contributing to flood risk reduction in the area.