Clean Water Act discharge permit · NPDES ORR328097

KNIFE RIVER LINNTON, Portland, OR: NPDES ORR328097 discharge permit, effluent exceedances, inspections, penalties

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

KNIFE RIVER LINNTON, held by Steyaert, Jeff, holds NPDES permit ORR328097. EPA’s file records it issued May 20, 2013 and expiring December 3, 2017. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for KNIFE RIVER LINNTON: its NPDES ID, its permit type and status, its dates, its address in Portland, Oregon. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ORR328097.

Identity

Facility as filed	KNIFE RIVER LINNTON
Permittee as filed	Steyaert, Jeff
NPDES ID	ORR328097
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	May 20, 2013
Expiration date	December 3, 2017
Issuing agency	STA
Address	Portland, OR 97231
Receiving water impaired	303(D) Listed
Subwatershed	Willamette River (HUC 170900120202)
SIC	3273 – Ready-Mixed Concrete
Other EPA IDs (FRS)	RCRA handler ORD000617977

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

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

EPA’s limits and effluent violation files hold no pollutant row for NPDES ORR328097.

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 ORR328097.

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

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, ORR328097.

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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 ORR328097 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

The Knife River Linnton storm water industrial permit, ORR328097, is one of 67 such permits in Multnomah County, the county where it sits. Only 3.0% of those 67 permits were issued earlier than this one, and 52.2% of them have a violation on file, a figure that puts this permit's clean record in contrast with its peers. The permit also has no pollutants under a numeric limit and no pollutants with an effluent exceedance, both counted at zero.