Pomona Lake near Quenemo, KS in Kansas is a man-made lake constructed by the U.S. Army Corps of Engineers in 1963. The lake is located in Osage County and covers an area of 4,000 acres, with 52 miles of shoreline. The purpose of the lake is to provide flood control, water supply, recreational opportunities, and support wildlife habitat. The Pomona Dam is built on the Marais des Cygnes River and is operated by the U.S. Army Corps of Engineers.

The hydrology of Pomona Lake is supplied by three main sources: the Marais des Cygnes River, the Dragoon Creek, and the 110-mile levee that surrounds the lake. The lake has a drainage area of 322 square miles, with a maximum depth of 40 feet and an average depth of 16.5 feet. The surface flow of Pomona Lake is regulated by the U.S. Army Corps of Engineers to maintain safe water levels for recreational activities and flood control.

The snowpack in the area contributes to the hydrology of Pomona Lake, with snowmelt filling the reservoir during the spring months. The lake also supports agricultural activities in the surrounding areas, providing irrigation water to farmers in Osage County. Recreational activities at Pomona Lake include boating, fishing, hunting, hiking, camping, and wildlife viewing. The lake is a popular destination for outdoor enthusiasts, attracting visitors from across Kansas and the surrounding states.