Poet Biorefining Big Stone
48416 144th Street, Big Stone City, SD 57216
LIKELY ACTIVELAST SEEN IN FEDERAL DATA DEC 2025 · 4 SOURCES
Operating signal within 24 months, or from a single source.
What they make
Ethyl Alcohol Manufacturing325193Where it is
45.30133, -96.51136 · CENSUS TIGER
COUNTY
ON GOOGLE MAPS
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Otter Tail Power Company | Big Stone City | Ethyl Alcohol Manufacturing 325193 | LIKELY ACTIVE | 0.3 KM |
| Brightmark Mill Valley Rng, LLC | Milbank | Industrial Gas Manufacturing 325120 | UNVERIFIED | 18.6 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 4 FEDERAL SOURCES, 7 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 AIRS/AFS, CEDRI, E-GGRT, ICIS, OTAQREG, RCRAINFO, RFS, TRIS, TSCA · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| OSHA ITA | OPERATING | DEC 2025 | DEC 2025 |
| EPA FRS | EXISTENCE | SEP 2023 | DEC 2024 |
| EPA TRI | OPERATING | DEC 2023 | DEC 2023 |
| EPA ECHO | OPERATING | DEC 2010 | DEC 2010 |
FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT
| FIELD | SOURCE | SIGNAL |
|---|---|---|
| ADDRESS LINE1 | EPA FRS | JUL 2026 |
| CITY | EPA FRS | JUL 2026 |
| EMPLOYEE BAND | OSHA ITA | DEC 2025 |
| 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.