Shasta River Watershed Curtailment Orders and Addendums for 2025 Scott-Shasta Emergency Regulations

Curtailment Status:

Shasta Watershed- Opportunity to divert for Inefficient Livestock Watering: On November 14, 2025, California Department of Fish and Wildlife (CDFW) made the determination that flows have been sufficient to stimulate the coho salmon migration into Shasta River. This means that large livestock diversions may be possible in the Scott River and Shasta River watersheds as of November 14, 2025, so long as other conditions are met, including connectivity, bypass, and notification conditions. Parties that want to divert for livestock need to confirm all the criteria outlined in the Emergency Regulation is met before diverting surface water for livestock. This includes the diverter notifying the State Water Board by email to: ScottShastaFlows@waterboards.ca.gov with their: Name, Water Right Number and point of diversion, anticipated diversion amount, plans to track compliance, and maintain records.

Shasta River Watershed Curtailment Status: On June 16, 2026, the State Waterboard issued Addendum 6 reinstating conditional curtailments in the Shasta River watershed. Addendum 6 sets additional conditions that need to be met before more junior water rights can divert. The State Waterboard will continue monitoring hydrologic conditions in the Shasta River and update curtailments as needed.

Shasta River Watershed Curtailment Status Map