SB 6330 Washington Senate · 2025-2026 Regular Session

Prohibiting the use of paraquat unless authorized for research conducted under strict safety and reporting protocols.

SB 6330 prohibits the use, sale, distribution, application, or handling of paraquat (a herbicide) for all agricultural or commercial purposes in Washington State, effective January 1, 2027. It directly affects agricultural workers, pesticide handlers, and rural communities who would no longer be exposed to paraquat in standard farming operations. The bill allows limited exceptions only for research conducted under strict safety protocols and reporting requirements approved by the state director. This law aims to reduce preventable exposure to paraquat while supporting the transition to alternative weed management practices.
Bill status in committee 1 of 4 stages cleared
Introduction
Jan 2026
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Governor
Introduced Jan 29, 2026 Last action Jan 29, 2026
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1 primary · 3 co-sponsors

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