Vanderwerff Dam, located in Galesburg, Iowa, was completed in 1975 by the USDA NRCS and is privately owned. The dam serves multiple purposes, including fire protection and creating a small fish pond, with a storage capacity of 53 acre-feet. With a low hazard potential and a moderate risk assessment, the dam is regulated by the Iowa Department of Natural Resources, which ensures its regular inspection, permitting, and enforcement to maintain safety standards.

Situated on TR-ELK CREEK in Jasper County, Iowa, the Vanderwerff Dam is an earth dam with a height of 29 feet and a length of 342 feet. It has a surface area of 3.7 acres and drains a 0.2 square mile watershed. The dam features an uncontrolled spillway and soil foundation, with no outlet gates or locks. Although its condition assessment is currently not rated, the dam's risk management measures are in place to address any potential risks and emergencies that may arise.

With a designated emergency action plan and contacts, Vanderwerff Dam is equipped to handle any unforeseen events that could impact its stability. The dam's risk assessment of moderate indicates a proactive approach to ensuring its continued safety and functionality for water resource and climate enthusiasts who value the importance of proper dam management and maintenance in the face of changing environmental conditions.