NPDES Permits Potentially Affecting Water Quality
Final NPDES Wastewater Permit Documents -
Issued by Oregon Department of Environmental Quality (DEQ)
This alphabetized list consists of permit documents made available by Oregon DEQ and is not all inclusive.
All documents are PDF except where indicated. IW indicates industrial waste discharges.
Toyo Tanso Troutdale - Semi-conductor Graphite Parts Production Non-contact Cooling Water & Other IW
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