Frd No 11, also known as the City of Atchison Dam 11, is a crucial structure owned by the local government in Atchison, Kansas. Built in 1964 by the USDA NRCS, this earth dam stands at a height of 49.3 feet and serves the primary purpose of flood risk reduction along the White Clay Creek-TR river or stream. With a storage capacity of 617 acre-feet and a drainage area of 0.61 square miles, Frd No 11 plays a vital role in mitigating the impact of potential flooding events in the region.

Managed by the KS Dept. of Agriculture and regulated by the state, Frd No 11 has a high hazard potential but is currently assessed to be in satisfactory condition. The dam's structure includes buttress core types and a spillway width of 33 feet. Despite not having any associated structures, Frd No 11 is subject to regular inspections, with the last one conducted in April 2019. With its location in Atchison and its critical role in managing flood risks, this dam is a key component of the region's water resource and climate resilience infrastructure.

Overall, Frd No 11 represents a significant investment in flood risk reduction in Atchison, Kansas. With its solid construction by the USDA NRCS and ongoing regulatory oversight, this earth dam provides essential protection for the surrounding area against potential inundation events. As climate change continues to impact water resources and weather patterns, structures like Frd No 11 will play an increasingly crucial role in safeguarding communities and infrastructure from the threats of flooding and water-related emergencies.