Gs Dd No C-88 (Gs-28a) is a flood control structure located in HOLTON, Kansas, along the ELK CREEK-TR. Managed by the Local Government, this dam serves the primary purpose of flood risk reduction and debris control. With a dam height of 38 feet and a length of 800 feet, it has a storage capacity of 206 acre-feet and a drainage area of 0.37 square miles.

Constructed by the Natural Resources Conservation Service, Gs Dd No C-88 is classified as an Earth dam with a Buttress core type. Its spillway type is uncontrolled, with a width of 40 feet and a maximum discharge of 1200 cubic feet per second. The dam is regulated by the Kansas Department of Agriculture and meets state jurisdiction, permitting, inspection, and enforcement requirements. With a low hazard potential and a moderate risk assessment rating of 3, this structure plays a crucial role in managing water resources and protecting the surrounding community from flooding events.

Despite being listed as in "Not Rated" condition, Gs Dd No C-88 (Gs-28a) remains an essential asset for the area's water resource and climate enthusiasts. Its strategic location and design contribute to the overall flood risk reduction efforts in Jackson County, Kansas. The dam represents a collaborative effort between federal and state agencies to ensure the safety and resilience of the community in the face of potential water-related disasters.