Friday, March 31, 2023

Lake County Sheriff’s Office Will Conduct Full-Length Warning Siren Test on February 6, 2023

The following is a press release issued by the Lake County Sheriff’s Office:

On Monday, February 6, 2023, at 11:00 AM, the Lake County Sheriff’s  Office will conduct a full-length test of the warning sirens in Middletown, Anderson Springs, Cobb,  Loch Lomond, and Kelseyville Riviera (formerly known as the Clear Lake Riviera). The test will last three minutes. In the event of an actual emergency, the warning siren is one way the community may be alerted to danger from wildfire, earthquake, or other hazards. 

Ongoing monthly testing for the sirens will continue to occur on the first Monday of each month at  11:00 AM. The testing from March through January are 30-second tests. The annual February test is the full three-minute activation. Just prior to each test, messaging is sent out through LakeCoAlerts and Nixle notifying residents in the area of the sirens of the test. 

When the sirens are heard outside of a scheduled test, community members should take shelter, be vigilant, and look for further information and instructions from LakeCoAlerts and Nixle. The sirens may not be heard depending on topography, natural and manmade noise, if residents are indoors, or potentially too far away from the sirens. 

The Middletown, Anderson Springs, Cobb, and Loch Lomond sirens have been in place since 2018.  These sirens are owned and maintained by the South Lake County Fire District. Should there be any issues, please contact South Lake County Fire District at 707-987-3089. 

In the summer of 2021, the Kelseyville Riviera Home Owners Association installed three warning sirens to provide another form of warning to their residents in the case of an emergency. Should there be any issues, please contact the Kelseyville Riviera Home Owners Association  at 

The Lake County Sheriff’s Office encourages all residents of Lake County to sign up for  LakeCoAlerts at: and follow both the Office of  Emergency Services and the Lake County Sheriff on Facebook at and



  1. We heard a siren this morning for the first time. I assume it was from the CalFire station on 175 near Red Hills. We live in the Wildcat/Antler Hill area and are thrilled to have heard the warning. Hopefully the CalFire station will be included in all fire siren warning tests in the future.

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