Sandven Dam, located in Dakota City, Iowa, is a privately owned structure that serves multiple purposes including fire protection, stock, and small fish pond. Constructed in 1988 by the Soil Conservation Service (SCS), this earth dam stands at a height of 36 feet and spans a length of 200 feet, providing a storage capacity of 96 acre-feet. Situated on the TR- E. Branch Des Moines River, the dam has a low hazard potential and is regulated and inspected by the Iowa Department of Natural Resources.

With a moderate risk assessment rating of 3, Sandven Dam is deemed to have a manageable level of risk. The dam features an uncontrolled spillway and is primarily used for water storage and conservation purposes. Despite not having a condition assessment rating, the dam is considered to be in a satisfactory condition for its intended functions. While the dam has not been modified in recent years and lacks an emergency action plan, its risk management measures are in place to ensure the safety and security of the surrounding area in case of any potential incidents.

For water resource and climate enthusiasts, Sandven Dam offers a glimpse into the importance of small-scale water infrastructure for local communities. Serving as a vital resource for fire protection and agricultural activities, this dam represents a sustainable approach to water management in the region. Its strategic location and design make it a key component in the conservation and utilization of water resources in the Humboldt County area.