Frd No E-11, also known as Fall River Watershed Dam E-11, is a crucial earth dam located in Eureka, Kansas, designed by the USDA NRCS to address flood risk reduction in the East Branch Fall River-TR area. Completed in 1965, this dam stands at 40 feet high with a structural height of 45 feet, spanning 1570 feet in length. With a maximum storage capacity of 1760 acre-feet and a normal storage of 125 acre-feet, Frd No E-11 plays a significant role in managing water resources in Greenwood County, Kansas.

This dam is state-regulated by the Kansas Department of Agriculture, with regular inspections and enforcement ensuring its structural integrity and operational efficiency. Despite being classified as having a significant hazard potential, Frd No E-11 is assessed to be in fair condition, with an inspection frequency of every five years. The dam's spillway type is uncontrolled, with a width of 40 feet, allowing for the controlled release of water during periods of high discharge. Overall, Frd No E-11 serves as a vital infrastructure for flood risk reduction in the region, showcasing the importance of proper water resource management in mitigating the impacts of climate change.

Water resource and climate enthusiasts will appreciate the detailed information available about Frd No E-11, from its design and construction by the Natural Resources Conservation Service to its role in flood risk reduction in the East Branch Fall River-TR area. The dam's location in Eureka, Kansas, within the Kansas City District, highlights its strategic importance in managing water flow and storage within the region. With a fair condition assessment and moderate risk level, Frd No E-11 exemplifies the ongoing efforts to maintain and regulate essential water infrastructure to protect communities and the environment from potential hazards.