Site 140, located in Cowley, Kansas, along Stewart Creek, is a local government-owned earth dam with a height of 23 feet and a length of 1760 feet. This dam has a storage capacity of 551 acre-feet and serves the primary purpose of water resource management. With a normal storage capacity of 65 acre-feet and a drainage area of 1.39 square miles, Site 140 plays a crucial role in regulating the flow of water in the region.

Managed by the Kansas Department of Agriculture, Site 140 has a low hazard potential and a moderate risk assessment rating. Although the condition of the dam is currently not rated, it meets state regulatory standards for inspection, permitting, and enforcement. The dam features an uncontrolled spillway with a width of 60 feet, allowing for the safe release of excess water during periods of high discharge. Overall, Site 140 serves as a vital infrastructure for water resource management in the area, ensuring the safety and sustainability of the surrounding ecosystem.

Despite its simple design and construction, Site 140 plays a significant role in maintaining water quality and quantity in Cowley, Kansas. With its strategic location along Stewart Creek and its capacity to store and regulate water flow, this dam contributes to the overall resilience of the region's water resources. As climate change continues to impact water availability and distribution, Site 140 serves as a key asset in adapting to and mitigating the effects of changing climate patterns on water resources in the area.