Atchison County State Lake in Kansas is a state-regulated water resource managed by the Kansas Department of Agriculture. The lake, completed in 1956, serves as a vital water source for the surrounding area and has a normal storage capacity of 1200 acre-feet. Located in Atchison County, the lake is situated along Independence Creek and covers a surface area of approximately 1950 acres.

The dam at Atchison County State Lake is a buttress type structure with a height of 62 feet and a hydraulic height of 56 feet. The spillway width is 100 feet, and the hazard potential of the dam is rated as low. Despite not having a condition assessment, the dam has been inspected by state authorities in 1998 and is subject to regular inspections, enforcement, and permitting by the Kansas Department of Agriculture. While the dam has not been modified in recent years, it remains a crucial component of the local water infrastructure.

The Atchison County State Lake offers a serene and picturesque setting for water and climate enthusiasts to explore. With its low hazard potential and state-regulated status, the lake provides a safe and reliable water source for the community. The dam, designed by Wilson and Co, stands as a testament to engineering excellence and serves as a vital resource for water management in the region. Whether for recreational purposes or as a source of irrigation, Atchison County State Lake plays a crucial role in ensuring water security and environmental sustainability in Atchison, Kansas.