Gs Dd No B-8 (Gc 1a) is a local government-owned dam located in Effingham, Kansas, along the Little Grasshopper Creek. Built in 2000 by the USDA NRCS, this earth dam stands at a height of 24.5 feet and has a length of 700 feet, serving primarily for debris control. With a normal storage capacity of 46 acre-feet and a maximum discharge of 1298 cubic feet per second, the dam plays a crucial role in water supply management for the surrounding area.

Despite its low hazard potential and moderate risk assessment rating, Gs Dd No B-8 (Gc 1a) is regulated and inspected by the Kansas Department of Agriculture to ensure its structural integrity and functionality. The dam does not have outlet gates and features an uncontrolled spillway with a width of 40 feet. With a drainage area of 0.6 square miles, the dam contributes to flood control and water resource management in the region, highlighting the importance of maintaining and monitoring its condition to mitigate potential risks and ensure public safety.

As a key structure in the local water infrastructure, Gs Dd No B-8 (Gc 1a) serves as a vital component for managing water resources and ensuring the sustainability of the surrounding ecosystem. With its significant role in debris control and water supply, the dam underscores the importance of proactive regulatory oversight and maintenance to safeguard against potential hazards and maintain the dam's functionality for the benefit of the community and the environment.