5 sources hold this plant, and 11 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, IDNR_EFD, OSHA-OIS, RCRAINFO, SEMS, TRIS · EPA site type STATIONARY.

OSHA injury and illness reportsOPERATING
Record 1013801 · first seen DEC 2025 · last seen DEC 2025
DOL Form 5500 retirement plan filingsOPERATING
Record 420670188|IA|50208|316 e 7th st n · first seen AUG 2025 · last seen AUG 2025
EPA Toxics Release InventoryOPERATING
first seen DEC 2023 · last seen DEC 2024
EPA ECHO compliance recordsOPERATING
first seen JAN 2023 · last seen JAN 2023
EPA Facility Registry ServiceEXISTENCE
Record 110000412795 · first seen JUN 2017 · last seen JUN 2017

IN JASPER COUNTY1 other plant shares this one’s industry (Resin, Synthetic Rubber, and Artificial and Synthetic Fibers and Filaments Manufacturing, NAICS 3252); 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: THOMBERT INC · OCT 2026
Street address: EPA: 316 EAST 7TH STREET NORTH · OCT 2026
City: EPA: NEWTON · OCT 2026
State: EPA: IA · OCT 2026
County (FIPS code): EPA: 19099 · OCT 2026
Coordinates: EPA: 41.70198,-93.04583 · OCT 2026
Employees (band): OSHA: 100-499 · DEC 2025
Year established: IA SOS: 1949 · NOV 1949
Retirement plan filing (Form 5500): DOL: 132 active participants, plan year ending 2025-08-31, 4 plan(s) · AUG 2025
Hazardous waste generator (RCRA): EPA ECHO: SQG · OCT 2026
State business registration: IA SOS: THOMBERT, INC., registered with the Iowa Secretary of State; formed 1949-11-22; active · NOV 1949

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