License and permit required.

RCW 70A.10.060
in effect
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Except as provided in RCW 70A.10.070 , no person shall engage in activities for weather modification and control except under and in accordance with a license and a permit issued by the department authorizing such activities. Except as provided in RCW 70A.10.070 , no person shall engage in activities for weather modification and control except under and in accordance with a license and a permit issued by the department authorizing such activities.
Source: WA Statutes (Official Site)URL: https://app.leg.wa.gov/RCW/default.aspx?cite=70A.10&full=trueFetched: 6/29/2026

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