Croy Subwatershed Site 2530, located in Monona County, Iowa, is a vital earth dam constructed in 1951 by the USDA NRCS for fire protection, stock, and small fish pond purposes. This dam stands at a towering height of 46 feet and has a storage capacity of 32 acre-feet, serving the Maple River tributary. Despite being labeled as having a low hazard potential, the site is regulated by the Iowa DNR and undergoes regular state inspections, permitting, and enforcement to ensure its structural integrity and compliance with safety standards.

With a drainage area of 0.15 square miles and a surface area of 2 acres, Croy Subwatershed Site 2530 plays a crucial role in flood risk reduction and water resource management in the region. Although it has not been rated for its condition assessment, the dam remains a key component in the local ecosystem, supporting wildlife habitats and providing essential water resources for the surrounding area. The site's risk assessment is moderate, prompting the need for continued monitoring and risk management measures to safeguard against potential hazards and ensure the longevity of this important water infrastructure.

As an earth dam under the jurisdiction of the Iowa DNR and supported by the Natural Resources Conservation Service, Croy Subwatershed Site 2530 stands as a testament to sustainable water resource management in Iowa. With its strategic location and vital role in fire protection, flood risk reduction, and ecosystem support, this dam serves as a valuable asset for the community of Little Sioux and the broader Monona County area. As water resource and climate enthusiasts, we recognize the significance of this site in maintaining the balance of water resources and environmental resilience in the region.