WeVote
Log In

Bill

Bill

SB 6330

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

2025-2026 Regular Session Introduced by Manka Dhingra and 2 co-sponsors

Washington bill bans paraquat herbicide except for authorized research, citing health concerns while allowing agricultural and commercial use restrictions to take effect.

First reading, referred to Agriculture & Natural Resources.
0
WeVote Research Nonpartisan
Bill Summary · SB 6330

Legislative bill overview

SB 6330 would restrict paraquat herbicide use in Washington state, permitting it only for authorized research under strict safety and reporting protocols. Paraquat is currently used as a broad-spectrum herbicide in agriculture, particularly for crop desiccation and weed control. This bill essentially bans commercial agricultural use while carving out a limited exception for controlled research.

Why is this important

Paraquat has been linked to Parkinson's disease in epidemiological studies, though causation remains debated in the scientific community. The bill addresses public health concerns in a state with significant agricultural operations, while also positioning Washington ahead of potential federal restrictions. The decision directly affects farmers' herbicide options, agricultural input costs, and chemical manufacturers operating in the state.

Potential points of contention

  • Agricultural impact: Farmers may face limited herbicide alternatives for certain crops, potentially requiring more expensive options or changes to farming practices and equipment
  • Scientific evidence debate: The causal link between paraquat and Parkinson's disease is disputed; some argue the evidence is insufficient to justify a ban, while others cite precautionary principle concerns
  • Economic and competitive concerns: Washington farmers may be disadvantaged against out-of-state competitors who can still use paraquat, affecting crop economics and land values

Compiled from official sources — confirm details with the bill’s official record.

Sign in to ask a question.