Willapa Bay - Grays Harbor
Burrowing Shrimp Control - Carbaryl
Carbaryl is no longer registered for use on
commercial shellfish beds in Willapa Bay and Grays Harbor. Ecology
terminated the existing permit for this use on May 11, 2015.
Denial of application letter
NOTE: The carbaryl permit is separate from the cancelled imidacloprid
permit to control burrowing shrimp on commercial shellfish beds in Willapa
Bay and Grays Harbor.
Burrowing Shrimp Control - Imidacloprid
Washington State Department of Ecology
Water Quality Program
Southwest Regional Office
PO Box 47775
Olympia, WA 98504