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, NPDES, RCRAINFO, TRIS · EPA site type STATIONARY.

EPA ECHO compliance recordsOPERATING
first seen SEP 2025 · last seen SEP 2025
EPA Toxics Release InventoryOPERATING
first seen DEC 2023 · last seen DEC 2024
EPA Facility Registry ServiceEXISTENCE
Record 110002124228 · first seen JUN 2017 · last seen SEP 2018

ALSO RECORDED ASTWIN CITY FAN COS ABERDEEN PLANT

IN BROWN COUNTY1 other plant shares this one’s industry (Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing, NAICS 3334); 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: TWIN CITY FAN COMPANIES LTD DBA TCF AEROVENT CO. · OCT 2026
Street address: EPA: 515 COMMERCE ST. · OCT 2026
City: EPA: ABERDEEN · OCT 2026
State: EPA: SD · OCT 2026
County (FIPS code): EPA: 46013 · OCT 2026
Coordinates: EPA: 45.470839,-98.441796 · OCT 2026
Hazardous waste generator (RCRA): EPA ECHO: SQG · OCT 2026

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