The SWP provides water to 29 public water agencies that serve 27 million Californians. This Department of Water Resources map shows where the State Water Project services 27 million Californians.

California announced that the State Water Project will deliver 50% of full water allotments this year, up from 40% last month. Runoff from ample snowpack is boosting reservoirs.

Lake Oroville is seen filled with water in Oroville, California, on April 16, 2023. Lake Oroville is the largest reservoir in the State Water Project.

California announced that the State Water Project will deliver 50% of full water allotments this year, up from 40% last month. Runoff from ample snowpack is boosting reservoirs.

California's aquifers gained an estimated 2.2 million acre-feet of water during the last water year. Gov. Gavin Newsom's administration has been promoting efforts to replenish groundwater.

In a press release, Newsom said it will upgrade the state water project.He said the project will allow California's water managers to capture and move more water, taking advantage of lots of rain ...

California announced that the State Water Project will deliver 50% of full water allotments this year, up from 40% last month. Runoff from ample snowpack is boosting reservoirs.