Pesticide Registration

WSDA is responsible for registering pesticides for use within Washington State. Pesticides that require registration include insecticides, herbicides, fungicides, rodenticides, nematicides, disinfectants, germicides, biocides, plant regulators, defoliants, desiccants, minimum risk pesticides (25b), and spray adjuvants. 

Online Payment Now Available!

The Pesticide Customer Portal for electronic submission and payment is now available! Payment options include Visa, Mastercard, and e-check. You can access the customer portal through a Secure Access Washington (SAW) account. For help setting up a SAW account and navigating to the customer portal, refer to SAW Setup Instructions. You must be an authorized user with approved products in the Washington Agriculture Pesticide Registration Systems (WAPRS) to use the Pesticide Customer Portal. You will receive a “Washington Pesticide Portal” email in the next few weeks. Please respond to that email with your contact updates so you can be added to the system.
 

Changes to Neonicotinoid Pesticides

Changes to Washington State pesticide law will restrict the use of some neonicotinoid pesticides starting January 1, 2026. Neonicotinoid pesticides labelled for outdoor plants will be designated for commercial use and can only be distributed by a licensed pesticide dealer. This includes but is not limited to pesticide products containing the following chemicals: acetamiprid, clothianidin, dinotefuran, imidacloprid, nitenpyram, nithiazine, thiacloprid, thiamethoxam. To learn more about these changes, visit WSDA's neonicotinoid webpage.