DWR Updates

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Climate change is altering the timing, pace, and scale of the weather events that provide precipitation to California during the wet season from October through April. Historically, 90% of the annual precipitation shows up during this time with 50% showing up in the 3-month window from December through February.

Photo of the Kern River Intertie taken from a drone. Photo taken May 24, 2023.

2023 has demonstrated how quickly California can move from one extreme to another -- as severe drought conditions gave way to flooding and one of the largest snowpacks in 70 years. Because of this extreme variability, and in an effort to always be climate ready, DWR and partners proactively worked to take advantage of this year’s record-breaking pr ...

DWR environmental scientists and State partners tag spring-run Chinook salmon at the Feather River Fish Hatchery in Oroville.

California’s Central Valley is home to four runs of Chinook salmon: spring, fall, late-fall, and winter. Spring-run and winter-run Chinook salmon are currently listed as threatened or endangered under the Endangered Species Act.