On Saturday 11/01/25, at noon, sirens and spoken messages will be audible in the Carnation area as part of the annual TEST of Seattle's Tolt Dam Early Warning (Siren) System.

For more information, visit carnationwa.gov/drill

BE DAM READY – Annual Siren Test & Evacuation Drill

NovNovember 1 2025

10:00am - 1:00pm Tolt Middle School

3740 Tolt Avenue, Carnation, WA 98014

The City of Seattle owns and operates a dam on the Tolt River. At the request of the City of Carnation, Seattle Public Utilities (SPU) has reconnected the Tolt Dam Early Warning (siren) System. SPU will run a full audible test of the system on November 1, 2025 at noon. Expect to hear loud siren sounds and spoken messages from the speakers.

EVACUATION DRILL DETAILS

10:00 AM: Informational session at Tolt Middle School (3740 Tolt Ave, Carnation, WA 98014). Enjoy coffee and donuts with neighbors while hearing about dam safety!

12:00 PM: Alarm sounds and evacuation drill begins. Walk up the hill from the event, your home, or work. For Evacuation Maps, visit
carnationwa.gov/drill

Audible testing of the sirens will occur once a year and be coordinated with the City of Carnation’s annual emergency preparedness drills. The weekly Wednesday noon tests that used to occur will no longer take place.

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