Industrial Pretreatment

For current approval actions open for public comment see the NPDES page listing draft permits.

For current compliance actions open for public comments see the "What's New" section of the Office of Water page.

General information on pretreatment is available on the Industrial Pretreatment page of the EPA National Web Site.

For information on Categorical Standards applicable to some industrial discharges, follow the link to the Guidelines page of the EPA National Web Site.

You will need Adobe Acrobat Reader, available as a free download, to view some of the files on this page. See EPA's PDF page to learn more about PDF, and for a link to the free Acrobat Reader.

EPA Region 10 pretreatment guidance available on this page includes:

1. Annual Report Guidance (76k.pdf)
2. Model Pretreatment Ordinance (46 page, 115k.pdf)


The Pretreatment Program is delegated to the states of Oregon and Washington.

OREGON: For questions in Oregon, please contact Bruce Hammon at the Oregon Department of Environmental Quality at 541-388-3188, ext. 255 <hammon.bruce@deq.state.or.us>.

WASHINGTON: In Washington, you need to contact the Department of Ecology pretreatment coordinator in the region where the facility is located:

Southwest Region (Lacey): David Knight <DAKN461@ECY.WA.GOV> 360-407-6277

Northwest Region (Bellevue): Doug Knutson <DKNU461@ECY.WA.GOV> 425-649-7025

Central Region (Yakima): David Dunn <dadu461@ecy.wa.gov> 509-454-7846

Eastern Region (Spokane):

Ken Merrill <KMER461@ECY.WA.GOV> 509-456-6148 (for oversight of Spokane) or
Scott Mallery <smal461@ecy.wa.gov> 509-456-4018 (for industrial users outside Spokane)