Jones Dam, also known as Seely Dam, is a privately-owned structure located in La Center, Washington. Built in 1977, this earth dam serves primarily for irrigation purposes along Tr-Rock Creek. With a hydraulic height of 20 feet and a structural height of 15 feet, Jones Dam has a storage capacity of 100 acre-feet and covers a surface area of 22 acres.

Managed by the Washington Department of Ecology, Jones Dam has a low hazard potential and is currently rated as "Not Rated" in terms of condition assessment. While the dam has not been inspected recently, it is regulated and permitted by the state, with inspection and enforcement protocols in place. Situated in Congressional District 03, Washington, the dam's maximum discharge capacity reaches 610 cubic feet per second, ensuring effective water management and flood control in the area.

Overall, Jones Dam plays a crucial role in supporting agricultural activities in the region, providing essential irrigation water for farmers along Tr-Rock Creek. With its strategic location and modest storage capacity, the dam exemplifies the importance of sustainable water resource management in the face of changing climate conditions. For water resource and climate enthusiasts, Jones Dam serves as a significant landmark in the ongoing efforts to maintain a balance between human needs and environmental conservation.