Anthon Subwatershed 1-2261, located in Woodbury County, Iowa, near the city of Anthon, is a vital water resource managed by local government authorities. This earth dam, designed by the USDA NRCS and completed in 1954, serves multiple purposes, including flood risk reduction, with a primary purpose classified as "Other". The dam has a significant hazard potential, with a height of 28 feet and a storage capacity of 25 acre-feet, providing essential protection to the surrounding area and the TR-Little Sioux River.

Managed by the Iowa Department of Natural Resources, this dam is regulated, permitted, inspected, and enforced by state agencies to ensure its safety and functionality. While the condition assessment is currently marked as "Not Rated", the risk assessment is moderate (3), prompting the need for continuous monitoring and risk management measures. With a drainage area of 0.08 square miles and a surface area of 1.1 acres, this dam plays a crucial role in water management and flood control in the region, contributing to the overall resilience of the watershed.

While specific details such as last inspection date and emergency action plan status are not provided, the presence of state jurisdiction, regulation, and enforcement ensures that Anthon Subwatershed 1-2261 remains a key infrastructure for water resource management in the area. With a spillway type listed as "Uncontrolled" and a significant hazard potential, the dam's importance in mitigating flood risks and protecting the local community is clear. Climate and water resource enthusiasts can appreciate the strategic design and management involved in maintaining this essential piece of water infrastructure in Woodbury County, Iowa.