Reservoir Storage & Operations:

Water supply information provided by Sonoma Water (find more water storage info here).

Updates on PG&E 2025 Flow Variance, Reducing Water Diversions to the Russian River

No new information this week.

Background & more information:

On August 4, 2025, FERC approved the PG&E 2025 Flow Variance, reducing water diversions to the Russian River basin. More information here.

The State Water Resources Control Board has developed a tool for water right holders, linked below. At the September 3, 2025 State Water Board meeting, staff provided an update on the Water Supply and Demand Assessment Program in which the Russian River was discussed throughout.

State Water Resources Control Board Supply and Demand Assessment tool for the Russian River

PG&E’s Final Surrender Application for Potter Valley Project

RRFC webpage on the Future of the Eel River to Russian River Diversion

Comments Submitted to FERC:

PVP related articles:

Lake County News: State Water Board to hold scoping meetings on Potter Valley Project decommissioning plan 10/10/25

📢 UPDATED - State Water Board Announces New Water Rights Reporting System

Want to know more about the new water rights reporting system? Check out this article:

Brownstein Alert: Going with the Flow: The Switch from eWRIMS to CalWATRS 10/10/25

For the latest updates, visit the CalWATRS webpage.

In the press:

• CA Water Plan eNews 10/8/25
• Maven's Notebook Weekly Edition 10/6 - 10/10/25
• Maven's Notebook Weekend Edition 10/10/25

• Sierra: The Future of Conservation: Indigenous Ways Meet Western Science, Collaboration and co-stewardship are bringing positive change across the country, 10/13/25