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Flooding Expected to Impact Local Water Bodies

LAKE COUNTY, CA (February 25, 2019) – Lake County residents are advised that thunderstorms in the region are expected to cause Clear Lake to reach 8.0 feet Rumsey Tuesday afternoon and 9 feet Rumsey, or flood stage, by early Thursday morning.

A mandatory 5 mph boating speed limit takes effect when Clear Lake reaches 8.0 Rumsey for at least 24 hours.  The speed ordinance requires boaters operating a motor boat within one-quarter mile or less of a shoreline to maintain idle speed. The ordinance was approved by the Board of Supervisors during the 2017 flood to minimize wake damage to lakeshore properties and to help ensure the safety of boaters operating while heavy debris loads are present on the lake.

For more information about flood conditions and the boating speed limit, contact the Water Resources Department at (707) 263-2344, the Sheriff’s Department at (707) 262-4200, or visit the Flood Info feature at


Water Faucet
Urgent Health Advisory

Effective immediately, people on private water systems whose tap water comes from their own private intake into the lake, in the Oaks Arm and Lower Arm of Clear Lake should not drink the water.

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