Opal Springs, a hydroelectric facility located in Jefferson, Oregon, is a remarkable structure designed by CH2M-Hill and completed in 1985. This rockfill dam stands at a height of 21 feet and spans 177 feet in length, with a primary purpose of generating hydroelectric power and supplying water. The dam has a normal storage capacity of 41 acre-feet and a maximum storage capacity of 119 acre-feet, serving as a vital resource for the surrounding area.

Operated under the jurisdiction of the Federal Energy Regulatory Commission, Opal Springs plays a crucial role in managing water resources and ensuring the safety of the Crooked River. With a low hazard potential and a moderate risk assessment, the dam is regularly inspected to maintain its structural integrity and emergency preparedness. Despite its humble size, Opal Springs serves as a testament to sustainable energy production and water management practices, making it a significant asset for both the local community and the environment.

As a key player in the region's water supply and hydroelectric power generation, Opal Springs stands as a testament to effective dam design and operation. With its unique rockfill construction and controlled spillway, the facility showcases the intersection of engineering innovation and environmental stewardship. As climate change continues to impact water resources, Opal Springs serves as a model for sustainable infrastructure that balances the needs of the community with the preservation of natural ecosystems.