Thank you for a great season of fun and safe boating at Whatcom County lakes! The Aquatic Invasive Species (AIS) check stations are now closed for the season as of October 10. However, a current permit is still mandatory for all vessels launching during the off-season. Permits for the upcoming 2026 season will become available for purchase starting January 2, 2026, and the check stations will re-open April 25, 2026. 

Boat owners who plan to winterize their vessels are strongly encouraged to arrange for a wire seal by our personnel. A secure seal confirms that your boat has remained Clean, Drained, and Dry, guaranteeing a speedy inspection when the 2026 check stations open.  

To get your vessel wire sealed or purchase a permit, please contact the AIS Inspection Hotline at: (360) 778-7975.  

Thank you for a great year and we look forward to a stellar 2026!