Koppers Industries Portland Tar Plant
7540 Nw St Helens Rd, Portland, OR 97210
UNVERIFIEDLAST SEEN IN FEDERAL DATA JUL 2012 · 2 SOURCES
Present in a source dataset, with no recent operating signal.
What they make
Petrochemical Manufacturing325110Where it is
45.57706, -122.75950 · CENSUS TIGER
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Northwest Natural Gas Portland Lng Plant | Portland | Petrochemical Manufacturing 325110 | LIKELY ACTIVE | 0.2 KM |
| Arkema Site | Portland | Synthetic Dye and Pigment Manufacturing 325131 | UNVERIFIED | 1.4 KM |
| Quadra Chemicals Western, Inc.-portland | Portland | Spice and Extract Manufacturing 311942 | LIKELY ACTIVE | 2.4 KM |
| University of Portland | Portland | All Other Basic Organic Chemical Manufacturing 325199 | UNVERIFIED | 2.5 KM |
| Tci America | Portland | All Other Basic Organic Chemical Manufacturing 325199 | LIKELY ACTIVE | 4.6 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 2 FEDERAL SOURCES, 6 FIELDS
Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.
EPA cross-references this facility in BR, ICIS, NCDB, NPDES, OR-DEQ, RCRAINFO, SSTS, TRIS, TSCA · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| EPA FRS | EXISTENCE | OCT 2018 | OCT 2018 |
| EPA ECHO | OPERATING | JUL 2012 | JUL 2012 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| CITY | EPA FRS | JUL 2026 |
| GEOM | EPA FRS | JUL 2026 |
| NAME | EPA FRS | JUL 2026 |
| RCRA GENERATOR STATUS | EPA ECHO | SEP 2026 |
| STATE | EPA FRS | JUL 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.