Clean Water Act discharge permit · NPDES ORRZ00078

TOYO TANSO USA, INC, Troutdale, OR: NPDES ORRZ00078 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
9Pollutants under a numeric limit
0Pollutants with an effluent exceedance

TOYO TANSO USA, INC, held by Toyo Tanso USA, Inc., holds NPDES permit ORRZ00078. EPA’s file records it issued October 10, 2024 and expiring June 30, 2026. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	TOYO TANSO USA, INC
Permittee as filed	Toyo Tanso USA, Inc.
NPDES ID	ORRZ00078
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Industrial stormwater
Issued	October 10, 2024
Expiration date	June 30, 2026
Address	Troutdale, OR 97060
Receiving water impaired	303(D) Listed
Subwatershed	Columbia Slough-Frontal Columbia River (HUC 170900120201)
Other EPA IDs (FRS)	RCRA handler ORD987200474

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

9Pollutants on file
9Under a numeric limit
9With a violation of any kind
0With an effluent exceedance

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measure	Limits	Violations, any kind
pH	4	24
BOD, 5-day, 20 deg. C	2	12
Solids, total suspended	2	12
Phosphorus, total [as P]	2	12
Copper, total [as Cu]	2	12
Iron, total [as Fe]	2	12
Lead, total [as Pb]	2	12
Zinc, total [as Zn]	2	12
E. coli	2	12

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES ORRZ00078.

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES ORRZ00078.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

Watch this permit

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID ORRZ00078 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

This EPA public-records page covers NPDES permit ORRZ00078, held by Toyo Tanso USA, Inc. for its Troutdale, OR facility under an industrial stormwater program as a minor discharger, with permit status listed as administratively continued. The page lists 9 as the discharger class, 0 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance, with the permit issued October 10, 2024 and expiring June 30, 2026.