Weller Dam 2, located in Holt, Nebraska, is a privately owned earth dam completed in 1975 for the primary purpose of irrigation. With a height of 22 feet and a length of 243 feet, the dam has a normal storage capacity of 28 acre-feet and a maximum storage of 57 acre-feet. The dam is situated on the TR-NIOBRARA RIVER and is regulated by the Nebraska Department of Natural Resources.

With a low hazard potential and a fair condition assessment as of the last inspection in July 2019, Weller Dam 2 plays a crucial role in water resource management in the region. The dam has a drainage area of 0.5 square miles and a maximum discharge capacity of 450 cubic feet per second. While the dam has not undergone any modifications in recent years, it is subject to regular inspections and enforcement by the state regulatory agency to ensure its continued safety and functionality.

Overall, Weller Dam 2 serves as a vital infrastructure for irrigation purposes in Holt, Nebraska, providing water storage and management capabilities for the surrounding area. The dam's presence on the TR-NIOBRARA RIVER contributes to the overall water resource management efforts in the region, highlighting the importance of maintaining and regulating such structures to ensure the sustainability of water resources in the face of changing climate conditions.