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The original item was published from 11/18/2021 5:46:00 PM to 11/18/2021 5:50:21 PM.


Public Works - Road Closures and Restrictions

Posted on: November 17, 2021

[ARCHIVED] Whatcom County Government Flood Response Update


WHATCOM COUNTY, WA - As of Thursday evening, weather conditions have improved, although we are expecting some additional rain and weather through tomorrow. This is aiding in cleanup efforts and damage assessment efforts across the county.  Many of the roads that were underwater are now being examined, along with bridges and levees. Drivers should respect all road closed signs and exercise caution as road beds may have been compromised.

  • Whatcom County has create a webpage for flood-related information. Please continue to check for updates, how to get help, how to help others, and other information related to the flood and its impacts. 


There are multiple volunteer groups who are beginning to arrive in Whatcom County including Samaritans Purse, Salvation army, Team Rubicon, and others to assist in cleanup.  Our local industries, including BP Cherry Point and the Ferndale Refinery are providing direct support with personnel and equipment.  Farmers Equipment have provided large farm tractors that were used to evacuate people from their homes in Sumas.


  • Lake Whatcom Boulevard remains closed for emergency culvert repairs and will remain closed through the afternoon/evening of Friday, 11/19. The closure is between Lake Louise Rd and Cain Lake/South Bay Rd.

Lake Whatcom Boulevard detours:

  • Southbound traffic should follow detour signs via Cain Lake Road to I5; 
  • Northbound traffic should follow detour signs via Lake Louise or Lake Whatcom Blvd. 
  • PSE will close N. Lake Samish Drive overnight, 6pm to 6am, November 18-19 for urgent repairs caused by the recent landslide in the area. Expect the road to be closed from Prescott Lane to the Interstate 5 Southbound on-ramp at 1215 N. Lake Samish Drive. Flaggers will be on site to assist drivers at both closure points.  

  • County roads closed due to storm flooding are being posted at this link
    • Information specific to Lummi Island and the Lummi Peninsula is posted at this link.
  • State highway roads and impacts are posted at this link


  • Do not attempt to drive across standing water or on roads that have been closed.

  • Please limit travel in the county to essential trips only. 

  • Call 911 for flood-related emergencies. Do not call 911 for non-emergencies.

  • To report non-emergency flood impacts please leave a message at (360) 788-5311 .  

  • To report non-emergency road impacts, call (360) 788-6400.

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