SANTA ROSA, Calif. (AP) -- Water officials say recent storms have filled up Lake Sonoma for the first time in four years.

The lake, which provides water to southern Sonoma and northern Marin counties, reached the flood stage of 245,000 acre-feet Tuesday morning. Before the storms hit, the lake was at 182,000 acre-feet.

It's the first time the Sonoma County Water Agency has seen such high levels since the January 2006 storms that caused flooding along the Russian River.

Lake Sonoma provides water to about 600,000 customers.

Water officials say Lake Mendocino is also filling up and is now at 87 percent of its capacity. That lake serves residents and farms in northern Sonoma and southern Mendocino counties.

Agency spokesman Brad Sherwood says the current levels mean that it likely won't have to impose mandatory conservation orders this year.

Copyright 2010 The AP.

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