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Welcome to the Oregon Water Quality website
Content on this website is available exclusively to participating members of the Oregon Association of Clean Water Agencies. Please contact us to learn about the work of the organization and to find out about membership.


The 2007 Oregon Legislature passed SB 737 requiring Oregon DEQ to develop an inventory of Priority Persistent Pollutants that pose a threat to Oregon’s rivers and streams, people, fish or wildlife.

Oregon Priority Persistent Pollutants
DEQ developed an inventory of 118 Priority Persistent Pollutants. The inventory includes both pollutants that are found in current use products and products that are now restricted. The types of chemicals included on the list include:

  • Consumer Related Chemicals
  • Halogenated Flame Retardants
  • Industrial Chemicals
  • Metals
  • Perfluorinated Surfactants
  • Perfluorinated Surfactants
  • Pesticides
  • Polychlorinated Biphenyls (PCBs)
  • Polychlorinated Naphthalenes
  • Polycyclic Aromatic Hydrocarbons

Learn more about the Priority Persistent Pollutant list at the Oregon Department of Environmental Quality (DEQ) web site.

Learn what you can do to reduce toxics in Oregon’s water.

industrial waterfront photo