Logan Lake, also known as Logan City Dam, is a vital water supply structure located in Phillips County, Kansas. Built in 1938 by the USA WPA, this dam serves as a crucial source of water for the local community. With a storage capacity of 470 acre-feet and a surface area of 28.08 acres, Logan Lake plays a key role in ensuring water security in the region.

The dam, standing at a height of 38 feet and with a hydraulic height of 34 feet, is classified as a buttress dam. It is regulated by the Kansas Department of Agriculture and undergoes regular inspection and maintenance to ensure its structural integrity. Despite its age, the dam has a low hazard potential and has not been rated for its condition assessment.

Located on the North Fork Solomon River, Logan Lake has a spillway width of 75 feet and a maximum discharge of 3190 cubic feet per second. The dam is not associated with any locks, and its primary purpose is water supply. With its rich history and continued importance in water resource management, Logan Lake is a noteworthy structure for water resource and climate enthusiasts alike.