The Anamosa State Reformatory Dam, located in Anamosa, Iowa, is a state-regulated earth dam that was completed in 1963 by USDA SCS. The dam serves multiple purposes including fire protection, stock, and small fish pond management. Situated on the TR-Wapsipinicon River, the dam has a height of 19 feet, a length of 336 feet, and a storage capacity of 50 acre-feet.

With a low hazard potential and a moderate risk assessment rating, the Anamosa State Reformatory Dam is an essential structure for water resource management in Jones County, Iowa. The dam is owned by the state and falls under the regulatory oversight of the Iowa Department of Natural Resources. Despite not being rated for condition assessment, the dam continues to play a crucial role in ensuring water availability for various purposes in the region.

Water resource and climate enthusiasts will find the Anamosa State Reformatory Dam an intriguing subject for study due to its location on the TR-Wapsipinicon River and its contribution to fire protection, stock, and fish pond management. The dam, with its uncontrolled spillway and soil foundation, represents a blend of infrastructure and natural elements working together to manage water flow and storage efficiently. As a state-regulated structure with a history dating back to the 1960s, the dam's significance in water resource management in Jones County, Iowa, cannot be understated.