Water Quality photo identifier

Water Quality Program

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

Permit Contact:

Derek Rockett
Phone: 360-407-6697
Email: derek.rockett@ecy.wa.gov
Mail:
Washington State Department of Ecology
Water Quality Program
Southwest Regional Office
PO Box 47775
Olympia, WA 98504
Oysters in basket after harvest.