Winter Weather - Lewiston Dam Operations

[Abel, Kiana]

WINTER STORM WARNING - LEWISTON DAM OPERATIONS ALERT

November 29, 2024

The Bureau of Reclamation's Central Valley Operations Office has informed the Trinity River Restoration Program of the potential for unscheduled increases in flows from Lewiston Dam. The Clear Creek Tunnel, which is used to divert water to the Central Valley, is down for scheduled maintenance [November 6, Press Release]. With the predicted magnitude of the incoming winter storm, inflows into Lewiston Reservoir may require increasing flows from the dam on very short notice to prevent uncontrolled spill from the dam. Increases to Trinity River baseflow will depend on the severity of the storm locally to Lewiston Reservoir. Please note that dam releases may be ordered without notice. 

Recreating along the Trinity River is not advised until the storm passes and flows recede. If you live along the river (or any tributaries), please make sure to move items from the river's edge.

• If you would like to receive Lewiston Dam change order notifications you can sign up here: http://groups.google.com/group/trinity-releases/boxsubscribe
• To follow the storm via National Weather Service, click here: NWS Radar

“Closure planned for Clear Creek Tunnel maintenance and repair activities,” was released, Wednesday, November 6th. Locate the release on Reclamation’s News and Multimedia page: https://www.usbr.gov/newsroom/news-release/5004

Kiana Abel

Public Affairs Specialist | Trinity River Restoration Program | U. S. Bureau of Reclamation 

1313 S. Main St., Weaverville, CA 96093-1300 | 530-623-1800 (desk) | 530-739-9761 (cell) | ja...@usbr.gov