Dd No A-1 (Murphy) is a local government-owned dam in Wetmore, Kansas, designed by USDA NRCS and completed in 1979 for flood risk reduction. With a dam height of 32 feet and a length of 580 feet, this earth dam serves multiple purposes including debris control, fire protection, stock or small fish pond, in addition to flood risk reduction. It has a storage capacity of 66 acre-feet and a surface area of 2.9 acres, contributing to the management of water resources in the region.

Located in Nemaha County, Kansas, Dd No A-1 (Murphy) is regulated by the Kansas Dept. of Agriculture, with state jurisdiction, permitting, inspection, and enforcement in place. The dam has a low hazard potential and a moderate risk assessment rating, indicating its importance for mitigating flood risks in the area. The spillway type is uncontrolled with a width of 50 feet, ensuring effective water discharge during high flow events.

Despite not being rated for its condition assessment, Dd No A-1 (Murphy) remains a crucial infrastructure for water resource management in the region, with a primary purpose of flood risk reduction. As climate change continues to impact water availability and extreme weather events, the role of such dams in protecting communities and ecosystems becomes increasingly significant, highlighting the importance of continued monitoring and maintenance for sustainable water management.