DWR Updates

DWR Updates

A Drone view Thermalito Afterbay part of DWR Oroville-Thermalito Complex in Butte County, California. Photo taken on December 03, 2025.

Lake Oroville Update - March 13, 2026

Lake Oroville Update - March 13, 2026

Published: March 13, 2026

Snow blankets the Phillips Station meadow where DWR conducts the first media snow survey of the 2026 season at Phillips Station in the Sierra Nevada. Photo taken December 30, 2026.

DWR Continues to Improve Forecasting as Spring Heats up in California

For California water managers, the painfully sunny skies of March 2026 bear striking resemblance to March 2021.

Published: March 11, 2026

A drone view of Loafer Creek boat ramp at Lake Oroville in Butte County, California. Photo taken January 8, 2026.

Lake Oroville Update - March 6, 2026

Lake Oroville Update - March 6, 2026

Published: March 06, 2026

A drone photo shows the California Department of Water Resources’ bioacoustic fish fence installed at the junction of the Sacramento River, right, and Georgiana Slough at Walnut Grove in Sacramento County, California. Photo taken November 30, 2023.

Video: Georgiana Slough Effectiveness Study

DWR is leading the Georgiana Slough Effectiveness Study in partnership with UC Davis.

Published: March 02, 2026

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