BELLEVUE — Puget Sound Energy is testing its early-warning siren system at the Baker River Hydroelectric Project Aug. 5-8. This follows up from installation of the system in 2018.

It’s all part of a dam safety program. The sound coverage warning area is expanded and the siren system is increased from three sirens to eight. In the unlikely event of a dam breach, the siren system would provide early warning and immediate mass notification to the town of Concrete and the surrounding communities of Van Horn, Grasmere, Cape Horn and Birdsview.

Exact locations of the sirens and audio of the siren tone and verbal messages can be found at

Siren testing is scheduled to take place on the four days from 8 a.m. to 4 p.m.

What should residents expect during testing?  The sirens will produce a tone and two verbal messages. This is a scheduled test and only a test of the siren system. If the sirens sound during this timeframe, residents are not called to evacuate.  

If the sirens sound at any other time, without prior notice to the local media, it is not a test. Residents are to evacuate and head for higher ground, in the north and south directions, away from the Skagit River.

If you have any questions about the siren test, email or call 1-888-404-8773.