Smith Dam, located in Redfield, Iowa, was completed in 1970 by the USDA NRCS and is privately owned. The dam serves multiple purposes, including fire protection and providing water for stock or small fish ponds. With a height of 31 feet and a length of 415 feet, the dam has a storage capacity of 93 acre-feet and covers a surface area of 4 acres.

The dam is regulated by the Iowa Department of Natural Resources and undergoes regular inspections and enforcement to ensure its safety and compliance with state regulations. Despite its low hazard potential, the dam is considered to have a moderate risk level, with a risk assessment rating of 3. While no emergency action plan is currently in place, the dam has not been rated for its condition, suggesting a need for further evaluation and maintenance to mitigate potential risks and ensure the safety of the surrounding area.

The Smith Dam is an essential water resource for the Guthrie County area, providing valuable water storage for agricultural and recreational purposes. As a key structure in the TR-Bay Branch watershed, it plays a crucial role in maintaining water supply and supporting local ecosystems. Water resource and climate enthusiasts can appreciate the significance of Smith Dam in managing water resources and protecting against potential hazards in the region.