Mc Larty-Edwards Subwatershed Site M-5, located in Woodbury, Iowa near the city of Moville, is a vital water resource managed by the local government. This earth dam, constructed in 1966 by the USDA NRCS, serves multiple purposes including fire protection, stock, and small fish pond management, as well as flood risk reduction. With a height of 23 feet and a length of 240 feet, the dam has a storage capacity of 56 acre-feet and covers a surface area of 3 acres, draining an area of 1.65 square miles.

Although classified as having a low hazard potential, the dam at Mc Larty-Edwards Subwatershed Site M-5 is regulated by the Iowa Department of Natural Resources, with state permitting, inspection, and enforcement in place. The spillway, of uncontrolled type, suggests a moderate risk assessment level (3), indicating the need for proper risk management measures. While the dam's condition has not been rated, it is essential for emergency action plans to be prepared and regularly reviewed to ensure the safety of the surrounding community.

Overall, Mc Larty-Edwards Subwatershed Site M-5 plays a crucial role in water resource management in the region, serving both practical and environmental purposes. With its strategic location along TR- Mud Creek and under the oversight of the local government and USDA NRCS, this site represents a harmonious blend of human intervention and natural conservation efforts to safeguard water resources and mitigate potential risks associated with flooding.