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Haldor Topsoe INC

10010 Bayport Rd., Pasadena, TX 77507

LIKELY ACTIVELAST SEEN IN FEDERAL DATA NOV 2025 · 3 SOURCES

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

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What they make

Other Basic Inorganic Chemical Manufacturing325180

Where it is

29.61225, -95.05782 · CENSUS TIGER
COUNTY
METRO AREA
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Other plants nearby

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American AcrylPasadenaAll Other Petroleum and Coal Products Manufacturing
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Monument Chemical Bayport, LLCPasadenaOther Basic Inorganic Chemical Manufacturing
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Every listed plant in Harris 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, ICIS, NPDES, OSHA-OIS, RCRAINFO, SFDW, TRIS, TSCA, TX-TCEQ ACR · EPA site type STATIONARY.

  • EPA ECHO compliance recordsOPERATING
    first seen NOV 2025 · last seen NOV 2025
  • EPA Toxics Release InventoryOPERATING
    first seen DEC 2023 · last seen DEC 2024
  • EPA Facility Registry ServiceEXISTENCE
    Record 110000462883 · first seen JUN 2017 · last seen JUN 2017

IN HARRIS COUNTY257 other plants share this one’s industry (Basic Chemical Manufacturing, NAICS 3251); 72 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: HALDOR TOPSOE INC · OCT 2026
Street address
EPA: 10010 BAYPORT RD. · OCT 2026
City
EPA: PASADENA · OCT 2026
State
EPA: TX · OCT 2026
County (FIPS code)
EPA: 48201 · OCT 2026
Coordinates
EPA: 29.61225,-95.05782 · OCT 2026
Hazardous waste generator (RCRA)
EPA ECHO: LQG · OCT 2026

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