Lewis Dam 681, located in Webster, Nebraska, is a privately owned structure designed by the USDA NRCS and regulated by the NE DNR. Completed in 1959, this earth dam stands at a height of 20 feet and serves the primary purpose of flood risk reduction along the W Penny Creek. With a storage capacity of 104 acre-feet and a drainage area of 1.5 square miles, the dam plays a crucial role in managing water flow in the region.

Despite its low hazard potential, Lewis Dam 681 undergoes regular inspections every five years, with the last assessment conducted in April 2018. The condition of the dam is currently rated as "Not Rated," indicating the need for further evaluation. While the dam does not have an Emergency Action Plan in place, it meets state permitting and inspection requirements, ensuring its operational safety. With a maximum discharge capacity of 602 cubic feet per second, this essential infrastructure contributes to flood control efforts in the area.

Overall, Lewis Dam 681 stands as a vital component of water resource management in Webster, Nebraska, providing essential flood risk reduction capabilities along the W Penny Creek. As climate change continues to impact weather patterns and water availability, the role of structures like Lewis Dam 681 becomes increasingly significant in safeguarding communities and ecosystems from potential water-related hazards. Ongoing monitoring and maintenance efforts will be crucial in ensuring the continued effectiveness and safety of this essential infrastructure for years to come.