Cold Springs, also known as C-4, is a federal-owned dam located in Umatilla, Oregon, along the Umatilla River. Built in 1907 for irrigation purposes, this earth dam stands at 100 feet high and has a storage capacity of 60,070 acre-feet. With a normal storage capacity of 50,000 acre-feet and a maximum discharge of 6,600 cubic feet per second, Cold Springs plays a crucial role in providing water resources for the region.

Managed by the Bureau of Reclamation, Cold Springs underwent significant modifications in 1996 to improve its foundation, hydraulic, seismic, and structural components. Despite having a high hazard potential, the dam's condition assessment is currently marked as "Not Available." Emergency Action Plans have been prepared for the dam, with the last revision in May 2020. With its strategic location and importance for irrigation in the area, Cold Springs is a key asset in water resource management and climate resilience efforts in Oregon.

As a vital piece of infrastructure in the region, Cold Springs serves as a critical water storage and distribution point for agricultural and environmental needs in Umatilla County. With its history dating back over a century and ongoing maintenance and monitoring by the Bureau of Reclamation, the dam stands as a testament to the importance of sustainable water resource management in the face of changing climate conditions. Cold Springs continues to play a significant role in ensuring water security and resilience for the communities it serves, highlighting the intersection of water resources and climate adaptation in the Pacific Northwest.