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Knife River Portland

12000 Sw Tonquin Rd, Sherwood, OR 97140

LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2024 · 3 SOURCES

Operating signal within 24 months, or from a single source.

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What they make

Asphalt Paving Mixture and Block Manufacturing324121

Where it is

45.34500, -122.79783 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS

Other plants nearby

FacilityCityIndustryStatusDistance
Oldcastle InfrastructureWilsonvilleAsphalt Paving Mixture and Block Manufacturing
324121
LIKELY ACTIVE3.9 KM
Knife River Farmington AsphaltBeavertonAsphalt Paving Mixture and Block Manufacturing
324121
LIKELY ACTIVE14.7 KM
Owens Corning Portland Roofing PlantPortlandPetroleum Refineries
324110
LIKELY ACTIVE23.4 KM
Lakeside Industries INCPortlandAsphalt Paving Mixture and Block Manufacturing
324121
UNVERIFIED24.2 KM
Downstream & Chemicals - Portland, OR Lubricants PlantPortlandPetroleum Lubricating Oil and Grease Manufacturing
324191
LIKELY ACTIVE24.5 KM

Every listed plant in Washington County

Also at this address

No other federal record shares this street address.

Where this record comes from

3 sources hold this plant, and 7 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.

EPA cross-references this facility in AIR, AIRS/AFS, EIS, OR-DEQ, RCRAINFO, TRIS · EPA site type STATIONARY.

  • EPA Toxics Release InventoryOPERATING
    first seen DEC 2023 · last seen DEC 2024
  • EPA Facility Registry ServiceEXISTENCE
    Record 110037149644 · first seen MAY 2019 · last seen MAY 2019
  • EPA ECHO compliance recordsOPERATING
    first seen JUN 2001 · last seen JUN 2001

IN WASHINGTON COUNTY1 other plant shares this one’s industry (Petroleum and Coal Products Manufacturing, NAICS 3241); 0 of them have a size band on record.

What each source says

Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

Name
EPA: KNIFE RIVER PORTLAND · NOV 2026
Street address
EPA: 12000 SW TONQUIN RD · NOV 2026
City
EPA: SHERWOOD · NOV 2026
State
EPA: OR · NOV 2026
County (FIPS code)
EPA: 41067 · NOV 2026
Coordinates
EPA: 45.344997,-122.797827 · NOV 2026
Hazardous waste generator (RCRA)
EPA ECHO: VSQG · NOV 2026

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