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Russian River Water Year 2026 Update – Rainfall and Supply Levels

Sonoma County is hosting a webinar TODAY, Wednesday, September 30th:

Water Year Update: Water Year Wrap-up webinar offers a concise look at the past water year’s rainfall, current reservoir conditions and what they mean for water supply and flood protection.

The presentation will look at how Lake Mendocino and Lake Sonoma are performing, how the Forecast-Informed Reservoir Operations program is shaping real-time decisions and what to expect going into the next water year with a very strong El Niño.

For more information and registration, visit Sonoma Water's webpage:https://www.sonomawater.org/water-year

Event on Sept. 30, 2026, from 12-1 p.m. discussing rainfall and water supply with featured speakers from Sonoma Water and the U.S. Army Corps.

Speakers:

• Rebecca Hermosillo, Chair, Sonoma Water Board of Directors 

• Jeanine Jones, Consultant, Sonoma Water

• Nick Malasavage, Chief, Operations and Readiness Division, U.S. Army Corps of Engineers San Francisco District

• Donald Seymour, Deputy Chief Engineer, Sonoma Water

The webinar will be conducted in English, with Spanish captions available once the video is uploaded to YouTube after the event. 

 

Past Event:

Sonoma County hosted a webinar to review rainfall, reservoir conditions, and ongoing water supply forecasts for the Russian River watershed. Local, state, and federal experts reported on the water year we’ve had so far and what we might expect as summer approaches.

YOUTUBE RECORDING: Water Year 2026 Update - Rainfall and Supply Levels 4/15/26

Or

Sonoma Water Website recording of Water Year 2026 Update - Rainfall and Supply Levels

 

Articles:

Ukiah Daily Journal: Less rain, more storage: Water year update for Lake Mendocino 4/17/26

 

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