California Department of Water Resources

California Department of Water Resources Managing the water resources for California, in cooperation with other agencies, to benefit the State

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The Thermalito Afterbay and surrounding Oroville Wildlife Area are managed for primitive and immersive wildlife experien...
06/12/2026

The Thermalito Afterbay and surrounding Oroville Wildlife Area are managed for primitive and immersive wildlife experiences and for the preservation and enhancement of wildlife habitat areas. With 17 miles of shoreline and 4,300 surface acres of water, the Thermalito Afterbay provides an expansive area for watercraft use, with numerous opportunities for motorized and non-motorized vessels, swimming, fishing, picnicking, and hunting. Learn more in the Lake Oroville Community Update https://water.ca.gov/News/Blog/2026/Jun-2026/Lake-Oroville-Update-June-12

It’s National Rivers Month and we’re inviting you to stop by the Lake Oroville Visitor Center to celebrate the Feather R...
06/09/2026

It’s National Rivers Month and we’re inviting you to stop by the Lake Oroville Visitor Center to celebrate the Feather River by learning more about this precious watershed through art. Now until June 21, you can show your appreciation for everything the Feather River provides by helping us complete our fun community artboard. We look forward to seeing you there!

The Thermalito Forebay provides a unique recreation experience compared to other geographic areas of the Lake Oroville S...
06/05/2026

The Thermalito Forebay provides a unique recreation experience compared to other geographic areas of the Lake Oroville State Recreation Area. Its relatively stable water elevation level, proximity to City of Oroville amenities, and developed day-use facilities provide an experience that is much different from Lake Oroville. Learn more about recreation opportunities at the North and South Thermalito Forebay day-use areas in the Lake Oroville Community Update https://water.ca.gov/News/Blog/2026/Jun-2026/Lake-Oroville-Update-June-3-2026

One sign that the blue-green algae may be a Harmful Algal Bloom (HAB) is smell. HABs can produce toxins that can make pe...
05/31/2026

One sign that the blue-green algae may be a Harmful Algal Bloom (HAB) is smell. HABs can produce toxins that can make people & animals sick. DWR urges you to avoid contact with algal blooms and follow posted HAB advisories. You can find more information at https://water.ca.gov/What-We-Do/Recreation/Algal-Blooms

Blue-green algae can be present in California’s reservoirs. One sign that the blue-green algae has become a Harmful Alga...
05/30/2026

Blue-green algae can be present in California’s reservoirs. One sign that the blue-green algae has become a Harmful Algal Bloom (HAB) is color. HABs can produce toxins that can make people & animals sick. More info on HABs at https://water.ca.gov/What-We-Do/Recreation/Algal-Blooms

Lake Oroville is at 895 feet elevation and storage is approximately 3.35 million acre-feet (MAF), which is 98% of its to...
05/29/2026

Lake Oroville is at 895 feet elevation and storage is approximately 3.35 million acre-feet (MAF), which is 98% of its total capacity and 119% of the historical average.

Feather River flows are at 650 cubic feet per second (cfs) through the City of Oroville with releases from the Thermalito Afterbay River Outlet at 2,350 cfs for a total Feather River release of 3,000 cfs downstream. DWR continues to assess Feather River releases daily.

To read more on Lake Oroville, please visit:

https://water.ca.gov/News/Blog/2026/May-2026/Lake-Oroville-Update-May-29-2026

If you're spending time on waterways this summer, remember to stay away from algae. Certain types produce toxins that ca...
05/29/2026

If you're spending time on waterways this summer, remember to stay away from algae. Certain types produce toxins that can make people & animals sick. Harmful Algal Bloom (HAB) advisories for State Water Project lakes are posted each week during the summer season. More ➡️ https://water.ca.gov/What-We-Do/Recreation/Algal-Blooms

Drivers can expect traffic shifts and lane closures on Ramona Expressway and Lake Perris Drive from 6 p.m. to 6 a.m. on ...
05/26/2026

Drivers can expect traffic shifts and lane closures on Ramona Expressway and Lake Perris Drive from 6 p.m. to 6 a.m. on May 27-28 as part of the ongoing work for the Lake Perris Emergency Release Facility Project in Riverside County. Learn more about the project’s new infrastructure improvements that will provide additional protection for downstream communities at https://tinyurl.com/y2vuwvem

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715 P Street
Sacramento, CA
95814

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Wednesday 8am - 4:30pm
Thursday 8am - 4:30am
Friday 8am - 4:30pm

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