Williams Dam, located in Clarinda, Iowa, is a privately owned structure designed by the USDA NRCS for fire protection, stock, or small fish pond purposes. Built in 1966, this earth dam stands at 40 feet tall and spans 318 feet in length, holding a storage capacity of 80 acre-feet. Situated on the TR-West Nodaway River, Williams Dam is regulated by the Iowa DNR and is subject to state permitting, inspection, and enforcement, ensuring its safety and compliance with regulations.

With a low hazard potential and a moderate risk assessment rating, Williams Dam poses minimal risk to surrounding areas. Despite being designated as "Not Rated" in terms of condition assessment, the dam continues to serve its primary purposes effectively. While the structure lacks certain features such as outlet gates and locks, it remains a vital resource for fire protection and water storage in the region. As water resource and climate enthusiasts, the data on Williams Dam serves as a reminder of the importance of maintaining and monitoring such infrastructure for the sustainability of our water supply and the protection of our communities.