Dd No 2-22b, also known as Pawnee Watershed Dam 2-22b, is a crucial structure located in Ness, Kansas, owned by the local government and designed by USDA NRCS. This earth dam primarily serves the purpose of flood risk reduction along the Pawnee River, with a height of 29 feet and a storage capacity of 728.36 acre-feet. The dam has a low hazard potential and is currently not rated for its condition assessment.

Managed by the Kansas Department of Agriculture, Dd No 2-22b is regulated and inspected regularly to ensure its structural integrity and operational effectiveness. The dam features an uncontrolled spillway with a width of 40 feet and has a moderate risk assessment rating of 3. Despite not having outlet gates, the dam's design and construction by the Natural Resources Conservation Service reflect a commitment to sustainable water resource management in the region. With its strategic location and hydraulic height of 28 feet, Dd No 2-22b plays a vital role in protecting the surrounding area from potential flood events and ensuring water resource sustainability in the Pawnee River watershed.