Crittenden Dam, located in Grand River, Iowa, was completed in 1977 and is primarily used for fire protection, stock, and small fish pond purposes. The dam, designed by the USDA NRCS, is an earth-type structure with a height of 29 feet and a length of 364 feet. It has a storage capacity of 30 acre-feet and a surface area of 2 acres, serving the TR-STAR BRANCH of the Rock Island District.

The dam is regulated by the Iowa DNR and is inspected, permitted, and enforced by state authorities. With a low hazard potential and a moderate risk assessment score of 3, Crittenden Dam is considered to be in good condition, although it has not been rated recently. Despite its small size and limited functions, the dam plays a crucial role in water resource management and environmental conservation in Union County, Iowa.

For water resource and climate enthusiasts, Crittenden Dam represents a vital piece of infrastructure that contributes to the protection and utilization of water resources in the region. Its design and construction by the Natural Resources Conservation Service reflect a commitment to sustainable water management practices, while its state-regulated operations ensure the safety and integrity of the dam for the surrounding community. As climate change continues to impact water availability and quality, dams like Crittenden play a significant role in adapting to and mitigating the effects of these environmental challenges.