DWR Updates

Rain clouds above Lake Oroville

Many of us are familiar with the category system that ranks the severity of hurricanes and tornadoes. A similar system is now being rolled out for atmospheric rivers (AR) -- those long, transient corridors of water vapor that fuel major rain events each winter in the west, especially California.

Woolsey and Hill Fires Watershed Emergency Response Team

While the devastating Camp Fire roared for several weeks in Butte County last November, the California Department of Water Resources (DWR) was on high alert, monitoring the extent of the fire as it approached the northwest shoreline of Lake Oroville. Ensuring the safety of impacted employees and protecting the Oroville facilities from fire were onl ...

Students and community members participate in a Morrison Creek clean-up project during Creek Week. DWR/2018

Local community groups and residents are playing a key role in the design of the Morrison Creek Revitalization Project, a multi-benefit project in south Sacramento that seeks to improve the natural habitat around the creek while creating a safe, recreational environment for the community. DWR is assisting with project design and technical and envir ...

CCC crews anchor Christmas trees onto the shores of Lake Oroville.

DWR is once again participating in a successful partnership to recycle used Christmas trees into prime habitat for fish and other wildlife at Lake Oroville and the Thermalito Afterbay.

View of Fremont Weir in the Yolo Bypass.

The Sacramento River moves water from Mt. Shasta to the Sacramento-San Joaquin Delta, gathering runoff from the Coastal Range and Sierra Nevada before turning toward Sacramento and joining with the American River. In wetter years, the Sacramento River swells to flood levels and releases water into the Yolo Bypass, a major flood control feature for ...