Frd No W-1, also known as Fall River Watershed Dam W-1, is a vital structure located in Greenwood County, Kansas, specifically in the city of EUREKA. Built in 1964 by the USDA NRCS, this earth dam stands at a height of 43 feet and serves to mitigate flood risks in the region. With a normal storage capacity of 101 acre-feet and a maximum discharge of 360 cubic feet per second, this dam plays a crucial role in protecting the Battle Creek-TR river or stream.

Managed by the local government, Frd No W-1 is state-regulated by the Kansas Department of Agriculture and undergoes regular inspections to ensure its structural integrity. With a hazard potential rated as low and a moderate risk assessment, this dam is considered to be in satisfactory condition, although it has not been officially rated. While it currently lacks an Emergency Action Plan (EAP), the dam's risk management measures are continuously evaluated to ensure the safety of the surrounding community in case of emergencies.

Overall, Frd No W-1 is a significant asset in the region's water resource management, providing flood risk reduction and contributing to the overall resilience of the local environment. As a key component of the infrastructure in the area, this dam underscores the importance of proactive monitoring and maintenance to safeguard against potential hazards and ensure the continued protection of nearby communities and ecosystems.