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Title

Weather Modification License Form

 
Form number Date Published
ECY 070-828 June 2026
VIEW NOW Weather Modification License Form (Number of pages: 2) (Publication Size: 183KB)




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Description Under Chapter 173-495 WAC, the state established a rigorous supervisory framework governing all non-exempt weather modifying activities. The License From certifies that the personnel possess the required expertise to conduct weather modification safely. The License is a part of a dual validation application process with the Permit. The Permit Form evaluates the specific operational details, localized operations by defining geographical boundaries, mandatory reporting, and fee requirements for each project.
REQUEST A COPY The mission of the Department of Ecology is to protect, preserve, and enhance Washington’s environment. To help us meet that goal, please consider the environment before you print or request a copy.

ADA Accessibility
The Department of Ecology is committed to providing people with disabilities access to information and services by meeting or exceeding the requirements of the Americans with Disabilities Act (ADA), Section 504 and 508 of the Rehabilitation Act, and Washington State Policy #188.
Visit Ecology’s website for more information
Contact Shauna Abbenhaus at 564-233-8692 or shauna.abbenhaus@ecy.wa.gov
Keywords rain, license, weather, Modification, permit
WEB PAGE Air Quality Permits
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Weather Modification Permit Application