State Water Project contractors respond to zero allocation

State increases water deliveries to 35 percent

The Department of Water Resources (DWR) announced a modest increase in forecasted State Water Project (SWP) deliveries this year due to early gains in the Sierra snowpack. DWR now expects to deliver 35 percent of requested water supplies, up from 30 percent forecasted in January, to the 29 public water agencies that serve 27 million Californians. That would translate to an additional 210,000 acre-feet of water.

“We’re hopeful that more storms this week are a sign that the wet weather will return, but there remains a chance that 2023 will be a below average water year in the northern Sierra.” said DWR Director Karla Nemeth. “Careful planning and the use of advanced forecasting tools will enable the Department to balance the needs of our communities, agriculture, and the environment should dry conditions continue this spring and into next year.”

The SWP will continue to optimize water storage in Lake Oroville to support environmental needs in the summer and allow for carryover storage for next year if the spring becomes extremely dry. Additionally, the forecasted allocation could be adjusted back down if extreme dry conditions warrant.

The 35 percent allocation forecast takes into account snowpack and reservoir storage from those storms, current hydrology conditions, spring runoff forecasts, and an anticipation of dry conditions ahead. The updated SWP forecast is on par with the Central Valley Project (CVP) initial allocations announced today by the U.S. Bureau of Reclamation.

More than a month still remains in the state’s wet season, but there’s uncertainty about a return to warm and dry conditions prior to April 1, typically when the state’s snowpack peaks and begins to melt. DWR is scheduled to conduct the next two snow surveys at Phillips Station on March 1 and April 3. Dates are subject to change depending on weather conditions and DWR will provide updates as the date approaches.

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