Clean Water Act discharge permit · NPDES ORR321929
KNIFE RIVER COFFIN BUTTE QUARRY, Corvallis, OR: NPDES ORR321929 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
KNIFE RIVER COFFIN BUTTE QUARRY, held by Knife River Corporation - NW, holds NPDES permit ORR321929. EPA’s file records it issued February 23, 2015 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 COFFIN BUTTE QUARRY: its NPDES ID, its permit type and status, its dates, its address in Corvallis, Oregon. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES ORR321929.
Identity
| Facility as filed | KNIFE RIVER COFFIN BUTTE QUARRY |
|---|---|
| Permittee as filed | Knife River Corporation - NW |
| NPDES ID | ORR321929 |
| 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 | February 23, 2015 |
| Expiration date | December 3, 2017 |
| Issuing agency | STA |
| Address | Corvallis, OR 97330 |
| Subwatershed | Lower Soap Creek (HUC 170900030511) |
| SIC | 1429 – Crushed And Broken Stone |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
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 ORR321929.
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 ORR321929.
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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- One state — $4,990/year
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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 ORR321929 there.
Nearby on the register
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- Every permit record in Oregon, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.