303, also known as Ksnoname 2662, is a local government-owned dam located in Petrolia, Kansas. Built in 1972 by the USDA NRCS, this earth-type dam stands at a height of 15.5 feet and serves primarily for flood risk reduction along the Plum Creek-TR river. With a maximum storage capacity of 199 acre-feet and a normal storage of 36 acre-feet, 303 plays a crucial role in safeguarding the surrounding area from potential flooding events.

Managed by the Kansas Department of Agriculture, 303 is regulated, inspected, and enforced to ensure its structural integrity and functionality. The dam has a low hazard potential and has not been rated for its condition assessment. Although it has not been assessed for its emergency action plan preparedness or risk management measures, 303 remains a key asset in the local water resource infrastructure. With a drainage area of 0.71 square miles and a surface area of 12.4 acres, the dam has a spillway width of 9393 feet and a maximum discharge capacity of 873 cubic feet per second.

303 stands as a vital structure in flood risk management for the Woodson County community, providing essential protection against potential inundation events. As climate change continues to impact water resources and weather patterns, the significance of dams like 303 in safeguarding communities and ecosystems from flooding cannot be overstated. Through ongoing inspection, regulation, and maintenance, 303 remains a cornerstone in water resource management in the region, highlighting the importance of sustainable infrastructure in a changing climate.