Jones Creek 1-1 is a local government-owned earth dam located in Polk, Nebraska, designed by the USDA NRCS and regulated by the NE DNR. Completed in 1965, this dam serves a primary purpose of flood risk reduction and has a maximum storage capacity of 134 acre-feet. With a dam height of 30 feet and a hydraulic height of 28 feet, it spans 185 feet in length and covers a surface area of 5 acres, with a drainage area of 1 square mile.

Despite its low hazard potential and satisfactory condition assessment, Jones Creek 1-1 is subject to state permitting, inspection, and enforcement. The dam is situated on TR-Clear Creek, falling under the jurisdiction of the Kansas City District of the USACE. With a normal storage capacity of 24 acre-feet and a maximum discharge of 645 cubic feet per second, this structure plays a crucial role in managing water resources in the region. Its location in SWS9T14R3W makes it a key player in maintaining the ecological balance of the surrounding area.

For water resource and climate enthusiasts, Jones Creek 1-1 stands as a testament to the vital role that dams play in mitigating flood risks and ensuring water security. As a locally-owned structure with a history dating back to the mid-20th century, it represents a blend of engineering expertise and environmental stewardship. With ongoing state oversight and inspection, this dam continues to serve its purpose effectively while contributing to the overall resilience of the watershed.