Water Quality photo identifier

Water Quality Program

Willapa Bay - Grays Harbor
Burrowing Shrimp Control - Imidacloprid

UPDATE: On May 3, 2015, Ecology and the shellfish growers cancelled the pesticide spraying permit. Read the news release

Ecology has cancelled a new individual permit to regulate the use of imidacloprid for managing burrowing shrimp on commercial oyster and clam beds in Willapa Bay and Grays Harbor.

Permit development was requested by the Willapa/Grays Harbor Oyster Growers Association (WGHOGA) to control burrowing shrimp on commercial oyster and clam beds in Willapa Bay and Grays Harbor to aid in the cultivation and harvest of oysters and clams.

Contact:

Derek Rockett
Email: derek.rockett@ecy.wa.gov
Washington State Department of Ecology
Water Quality Program, Permit Writer
Southwest Regional Office
PO Box 47775
Olympia, WA 98504


Oysters in basket after harvest

Aquatic Pesticides Contacts

Aquatic Pesticide Permit ListServ

Focus Sheet: Control of burrowing shrimp on shellfish beds in Willapa Bay and Grays Harbor