Clear Creek 1 is a vital flood risk reduction dam located in Polk, Nebraska, owned by the local government. This earth dam stands at a height of 42 feet and has a hydraulic height of 40 feet, providing essential protection to the surrounding area. Completed in 1979, Clear Creek 1 has a maximum storage capacity of 1,937 acre-feet and covers a surface area of 27 acres, serving a drainage area of 10.8 square miles. The dam has a significant hazard potential but is assessed to be in satisfactory condition as of the last inspection in June 2019.

Managed by the Nebraska Department of Natural Resources, Clear Creek 1 plays a crucial role in mitigating flood risks along Clear Creek. With a maximum discharge capacity of 5,497 cubic feet per second, this dam ensures the safety and protection of the downstream communities, including the city of Rogers. The dam's design, featuring a stone core and soil foundation, reflects a robust structure that has been deemed effective in safeguarding the area from potential flooding events. Regular inspections and enforcement by the state regulatory agency further ensure the dam's operational integrity and functionality.

Located within the Kansas City District and under the jurisdiction of Congressional District 01 in Nebraska, Clear Creek 1 is a vital infrastructure asset for water resource and climate enthusiasts. The dam's role in flood risk reduction, coupled with its historical significance and continuous state oversight, underscores its importance in protecting the local community and ensuring water resource sustainability in the region.