5 sources hold this plant, and 10 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 BR, CA-CERS, CA-ENVIROVIEW, HWTS-DATAMART, NPDES, OSHA-OIS, RCRAINFO, SEMS, TRIS · EPA site type STATIONARY.

EPA ECHO compliance recordsOPERATING
first seen FEB 2025 · last seen FEB 2025
EPA Toxics Release InventoryOPERATING
first seen DEC 2023 · last seen DEC 2024
DOL Form 5500 retirement plan filingsOPERATING
Record 942431285|CA|95367|po box 890 · first seen DEC 2024 · last seen DEC 2024
EPA Facility Registry ServiceEXISTENCE
Record 110002334741 · first seen NOV 2021 · last seen JUL 2024
SBA Paycheck Protection Program loan recordsEXISTENCE
Record CA|riverbank|3400 patterson rd · first seen APR 2020 · last seen APR 2020

ALSO RECORDED ASTHUNDERBOLT WOOD TREATING CO

IN STANISLAUS COUNTY3 other plants share this one’s industry (Sawmills and Wood Preservation, NAICS 3211); 0 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: THUNDERBOLT WOOD TREATING · OCT 2026
Street address: EPA: 3400 PATTERSON ROAD · OCT 2026
City: EPA: RIVERBANK · OCT 2026
State: EPA: CA · OCT 2026
County (FIPS code): EPA: 06099 · OCT 2026
Coordinates: EPA: 37.7327,-120.93279 · OCT 2026
Employees (band): SBA PPP: 20-99 · APR 2020
Retirement plan filing (Form 5500): DOL: 38 active participants, plan year ending 2024-12-31, 1 plan(s) · DEC 2024
PPP loan: SBA PPP: PPP loan x1, approved 2020-04-13, 51 jobs reported · APR 2020
Hazardous waste generator (RCRA): EPA ECHO: LQG · OCT 2026

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