Help/Assistance

For assistance information and materials please visit https://agr.wa.gov/services/licenses-permits-and-certificates/summary-descriptions/wseup-collective.

Helpdesk phone:

(360) 902-2030

Subject matter expert contact information:

Brent Perry (541) 995-2876

bperry@agr.wa.gov

Experimental Use Permit - Collective

Description/Purpose

A Washington State Experimental Use Permit is required for all experiments involving pesticides that are not registered and for all experiments involving uses not allowed by the pesticide label. The Collective Experimental Pesticide Use Permit may be issued to recognized research institutions, pesticide registrants, or persons licensed to conduct certain types of small-plot demonstrations and research on land they own or control. A Collective Experimental Pesticide Use Permit is limited to terrestrial sites of one acre or less.

Triggers and activities which would require this permit

This permit allows recognized research institutions, organizations, pesticide registrants, or persons licensed to conduct certain types of small-plot demonstrations and research activities on land they own or control to experiment with pesticides without having to obtain an individual permit for each experiment.

Explanation/Description of costs/fees, including statutory, regulatory, or other legal authority for fees

There is no fee for this permit.

Application Information

The application is called 'Collective Experimental Use Permit' is online and can be accessed at https://agr.wa.gov/services/licenses-permits-and-certificates/summary-descriptions/wseup-collective.

No

No

Washington State Department of Agriculture Pesticide Management 1111 Washington Street SE PO Box 42560 Olympia, WA 98504-2560 Or email to pestreg@agr.wa.gov

The permit is valid until the stated expiration date, generally three years or less.

Upon notice by the Department to deny or revoke a permit, a person may request a hearing under Chapter 34.05 RCW, the Administrative Procedures Act.

Permit Timeliness Results

Permit Timeliness data collection is in response to a State Auditor’s Performance Audit and RCW 43.42A. Each regulatory agency developed a plan to improve permit clarity, predictability, and timeliness. Each agency considers the customers experience to ensure permit assistance is simple to use, easy to access, and designed in a customer-friendly manner. Agencies report progress to the Governor’s Office for Regulatory Innovation and Assistance (ORIA). ORIA prepares and distributes reports, with participation from the State Auditor’s Office and Results Washington. See latest report here: https://www.oria.wa.gov/ORIA-2020-PermitTimelinessProgressReport.pdf.

Estimated Time Required By the Agency to Process a Permit Application (Definition)
Average days from Receipt to Complete: 1
Maximum days from Receipt to Complete: 1

Estimated Time Required By the Agency to Issue a Permit Decision (Definition)
Average days from Complete Application to Decision: 6
Maximum days from Complete Application to Decision: 7


(Summary results based on 2 submittals in 2024)

Legal authority
Contacts
Washington State Department of Agriculture
Pesticide Management
1111 Washington Street SE
PO Box 42560
Olympia WA 98504-2560
Email: pestreg@agr.wa.gov
Website: http://agr.wa.gov/
Telephone: (360) 902-2049
* Credential details last updated 6/17/2026
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