EPA · discharge permits by state

Discharge permits in Oregon

1,616Current permits
64Major dischargers
296Individual permits

A major discharger is one EPA rates as significant on volume, toxicity or the water it reaches; the rest are minors. An individual permit is written for one operation, while general permit coverage applies a statewide permit to a site that qualifies for it.

By what is permitted in Oregon

By city

Permits

Major dischargers first. Not every permit in Oregon is listed here.

Permit holder	NPDES ID	City	Program	Discharger	Receiving water
AM WRF	OR0028801	ALBANY	Publicly owned treatment works	Major	WILLAMETTE RIVER
ASHLAND STP	OR0026255	ASHLAND	Publicly owned treatment works	Major	ASHLAND CREEK
ATI SPECIALTY ALLOYS & COMPONENTS, LLC	OR0001112	ALBANY		Major	WILLAMETTE RIVER (RM 115.5)
BAKER CITY WWTP	OR0020699	BAKER CITY	Publicly owned treatment works	Major	POWDER RIVER
BLUE HERON PAPER CO.	OR0000566	OREGON CITY		Major	WILLAMETTE RIVER(RM 27.5&26.1)
BROOKINGS WWTP	OR0020354	BROOKINGS	Publicly owned treatment works	Major	PACIFIC OCEAN
CANBY STP	OR0020214	CANBY	Publicly owned treatment works	Major	WILLAMETTE RIVER
CITY OF ST. HELENS	OR0020834	ST HELENS	Industrial pretreatment	Major	COLUMBIA RIVER (RM 86)
CITY OF TROUTDALE WATER POLLUTION CONTROL FACILITY	OR0020524	TROUTDALE	Publicly owned treatment works	Major	SANDY RIVER (RM 2.3)
CLACKAMAS COUNTY - MUNICIPAL STORMWATER MS4	ORS108016	CLACKAMAS	Large municipal storm sewer systems	Major	Helion Creek-Clackamas River
COLUMBIA BOULEVARD STP	OR0026905	PORTLAND	Publicly owned treatment works	Major	COLUMBIA RIVER
COLUMBIA RIVER NITROGEN LLC	OR0001635	ST HELENS		Major	COLUMBIA RIVER
COOS BAY STP NO. 1	OR0023574	COOS BAY	Publicly owned treatment works	Major	COOS BAY
COOS BAY STP NO. 2 - EMPIRE	OR0023582	COOS BAY	Publicly owned treatment works	Major	COOS BAY
DALLAS STP	OR0020737	DALLAS	Publicly owned treatment works	Major	RICKREALL CREEK
DURHAM STP	OR0028118	TIGARD	Publicly owned treatment works	Major	TUALATIN RIVER
EUGENE, CITY OF, MUNICIPAL STORMWATER MS4	ORS107989	LANE	Large municipal storm sewer systems	Major	Amazon Creek
FOREST GROVE STP	OR0020168	FOREST GROVE	Publicly owned treatment works	Major	TUALATIN RIVER (RM 56.7)
GEORGIA-PACIFIC TOLEDO LLC	OR0001341	TOLEDO		Major	PACIFIC OCEAN, YAQUINA RIVER
GP WAUNA MILL	OR0000795	WAUNA		Major	COLUMBIA RIVER (RM 42)
GRANTS PASS STP	OR0028843	GRANTS PASS	Publicly owned treatment works	Major	ROGUE RIVER
GRESHAM WWTP	OR0026131	PORTLAND	Publicly owned treatment works	Major	COLUMBIA RIVER
GRESHAM, CITY OF; FAIRVIEW, CITY OF; MULTNOMAH COUNTY	ORS108013	GRESHAM	Large municipal storm sewer systems	Major	Willamette River
HERMISTON STP	OR0020761	HERMISTON	Publicly owned treatment works	Major	UMATILLA RIVER (RM 5.2)
HILLSBORO-WESTSIDE STP	OR0023345	HILLSBORO	Publicly owned treatment works	Major	TUALATIN RIVER (RM 44)
HOOD RIVER STP	OR0020788	HOOD RIVER	Publicly owned treatment works	Major	COLUMBIA RIVER (RM 168.5)
HYDRO	OR0001708	THE DALLES		Major	COLUMBIA RIVER
IP SPRINGFIELD PAPER MILL	OR0000515	SPRINGFIELD		Major	MCKENZIE RIVER
KLAMATH FALLS WASTEWATER TREATMENT AND RECLAMATION FACILITY (@ SPRING STREET)	OR0026301	KLAMATH FALLS	Publicly owned treatment works	Major	KLAMATH RIVER (LAKE EWAUNA)
LA GRANDE STP	OR0020460	LA GRANDE	Publicly owned treatment works	Major	GRANDE RONDE RIVER
LEBANON WWTP	OR0020818	LEBANON	Publicly owned treatment works	Major	SOUTH SANTIAM RIVER
LINCOLN CITY STP	OR0020478	LINCOLN CITY	Publicly owned treatment works	Major	SCHOONER CREEK
MCMINNVILLE WATER RECLAMATION FACILITY	OR0034002	MCMINNVILLE	Publicly owned treatment works	Major	SOUTH YAMHILL RIVER
MEDFORD RWRF	OR0026263	CENTRAL POINT	Publicly owned treatment works	Major	ROGUE RIVER
MULTNOMAH COUNTY MS4	ORS120542	TROUTDALE	Large municipal storm sewer systems	Major	Columbia Slough-Frontal Columbia River
MWMC - EUGENE/SPRINGFIELD STP	OR0031224	EUGENE	Publicly owned treatment works	Major	WILLAMETTE RIVER
NEWBERG - WYNOOSKI ROAD STP	OR0032352	NEWBERG	Publicly owned treatment works	Major	WILLAMETTE RIVER
NEWBERG OR, LLC	OR0000558	NEWBERG		Major	WILLAMETTE RIVER
NEWPORT STP	OR0044571	NEWPORT	Publicly owned treatment works	Major	PACIFIC OCEAN
NORTH BEND STP	OR0023361	NORTH BEND	Publicly owned treatment works	Major	COOS BAY (RM 7.7)