Koppers INC
3185 S County Road a, Superior, WI 54880
Present in a source dataset, with no recent operating signal.
What they make
Sawmills and Wood Preservation321110Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Peterson Wood Treating INC | Superior | Wood Preservation 321114 | LIKELY ACTIVE | 7.8 KM |
| Duluth City Sawmill L.l.c. | Duluth | Sawmills 321113 | ACTIVE | 17.2 KM |
| The Tongue & Groove Store | Duluth | Sawmills 321113 | UNVERIFIED | 28.7 KM |
| Great Lakes Wood CO LLC | Duluth | Wood Preservation 321114 | LIKELY ACTIVE | 34.9 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
1 source holds this plant, and 6 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 EIS · EPA site type STATIONARY.
- EPA Facility Registry ServiceEXISTENCERecord 110071870872 · first seen JUN 2017 · last seen DEC 2024
IN DOUGLAS COUNTY3 other plants share this one’s industry (Sawmills and Wood Preservation, NAICS 3211); 1 of them has 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: KOPPERS INC · OCT 2026
- Street address
- EPA: 3185 S COUNTY ROAD A · OCT 2026
- City
- EPA: SUPERIOR · OCT 2026
- State
- EPA: WI · OCT 2026
- County (FIPS code)
- EPA: 55031 · OCT 2026
- Coordinates
- EPA: 46.633324,-92.08488 · OCT 2026