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A drone view of Oroville Dam and main spillway on March 11, 2025, at Lake Oroville in Butte County. On that day, the water storage was 2,881,527 acre-feet, 84% of the reservoir\u2019s total capacity. <\/p>\n
Sara Nevis<\/p>\n
California Department of Water Resources<\/p>\n
California officials announced Friday that the State Water Project will deliver more water than expected in 2026.<\/p>\n
The Department of Water Resources increased the project\u2019s water allocation to 45% from 30% of requested supplies. The allocation tells the state\u2019s 29 public water agencies how much water they can expect to receive. Those agencies supply water to 27 million Californians and irrigate about 750,000 acres of farmland.<\/p>\n
State officials base allocations on reservoir levels, snowpack and weather conditions. Although California saw record heat in March that melted snow early, rainstorms in April added more water to rivers and reservoirs. That helped the state capture more water without draining stored supplies.<\/p>\n
Lake Oroville, the state\u2019s largest reservoir, is now at 99% of capacity, according to the California Department of Water Resources. Across California, reservoirs are at 117% of average levels for this time of year.<\/p>\n
Still, officials warned that the state\u2019s snowpack is nearly gone. Snowpack, often called California\u2019s \u201cfrozen reservoir,\u201d is only 12% of average statewide. The snowpack reached its peak in mid-February and has mostly melted.<\/p>\n
\u201cCalifornia\u2019s reservoirs are full, but most snowpack melted off weeks ago,\u201d Department of Water Resources Director Karla Nemeth said. \u201cWe must use this stored water carefully because there\u2019s no backfill until next season.\u201d<\/p>\n
The Department of Water Resources said water managers used flexible operations this year to help both communities and the environment, even though much of the precipitation fell as rain instead of snow.<\/p>\n
Officials at Lake Oroville worked with the U.S. Army Corps of Engineers to store as much water as possible while still protecting downstream communities from flooding.<\/p>\n
Those efforts added about 400,000 acre-feet of water to Lake Oroville\u2019s storage. Officials said the extra water will help meet water needs this year and prepare for possible dry conditions next year.<\/p>\n
The Department of Water Resources releases an initial State Water Project allocation each December based on water storage, expected supplies and demand. Allocations are updated throughout the season as officials review snowpack, rainfall and runoff data.<\/p>\n
This season\u2019s allocation started at 10%<\/a> on Dec. 1, increased to 30% from 10% on Jan. 29 and rose again to 45% from 30% on Friday.<\/p>\n This story was originally published May 17, 2026 at 11:28 AM.<\/p>\n Related Stories from Sacramento Bee<\/p>\n
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