Take action to STOP chlorpyrifos

Chlorpyrifos is an insecticide that damages the brains of infants and children, and can cause neurological harm, cancer and other serious impacts. Unsafe levels of residues are found in drinking water and common foods such as beans, vegetables and fruit. Research overwhelmingly shows that chlorpyrifos kills and harm bees, butterflies, and birds and is a serious threat to our food, public health, and wildlife.

Hawaii, California, New York and Maryland have taken action to ban or severely restrict chlorpyrifos. Oregon must take action, but the Oregon Department of Agriculture’s proposed rules on chlorpyrifos need to be stronger! We need your help to pass effective rules. Please send your written comments or speak at one of two remaining virtual public hearings in August. If you can’t make it to one of those hearings, see below for public comment details, our policy analysis and suggested talking points.

How you can get involved

Submit comments | Testimony templates & talking points


OCTOBER 22nd, 5 PM

2020 Oregon Department of Agriculture (ODA) Chlorpyrifos Proposed Rulemaking: Public Comment Period: August 3rd-October 1st

The ODA has proposed new rules to strengthen protections for Oregonians from chlorpyrifos pesticides. It’s important to show the ODA that you care about protecting human and environmental health from chlorpyrifos exposure. See the full 2020 Chlorpyrifos proposed rules here.

RULE SUMMARY:  Adopt OAR-603-057-0545 places limitations on the insecticide chlorpyrifos. 

  • As of December 31, 2023, it is prohibited to use, deliver, distribute, sell, offer or expose for sale pesticide products containing chlorpyrifos, except granular forms, seed treatments and pest emergencies.
  • All products that contain chlorpyrifos are restricted-use and require a certified and licensed applicator to purchase and apply such products. 
  • Prohibits use of chlorpyrifos in an enclosed space production structure (i.e., greenhouse, hoop house)
  • Prohibits and limits certain uses starting in 2020, and requires a minimum restricted re-entry interval of four days to protect workers from being required to go back into a sprayed area too soon.
  • Increases respirator protection for applicators and requires records of chlorpyrifos applications. 
  • Provide increased no-spray buffers from sensitive areas and permanent waterways (includes homes, farm worker housing, schools, etc), which are considerably larger than those stated on the label.


We support ODA to take this first step to protect Oregonians from a highly hazardous pesticide, with the following recommendations.


  • Prohibit all uses by December 2023
  • Restrict all aerial sprays on all crops, not only Christmas trees, and prohibit all aerial sprays by 12/2023
  • Prohibit uses of granular broadcast chlorpyrifos, which will continue to poison our food and drinking water, harm farm workers, cause cancer, and impair children’s neuro-development.
  • Immediately increase no-spray buffers for aerial and airblast sprays to 500 ft. 

Please email your comments (in any language) during the open comment period to: chlorpyrifos-comments@oda.state.or.us

You can also mail your comments to:

Amy Bingham
Chlorpyrifos 2020 Rulemaking Comment
Directors Office
Oregon Department of Agriculture
635 Capitol St NE
Salem, OR 97301-2532

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