Monarch Cement CO

449 1200th St, Humboldt, KS 66748

LIKELY ACTIVELAST SEEN IN FEDERAL DATA JUL 2026 · 4 SOURCES

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

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What they make

Cement Manufacturing327310

Where it is

37.79716, -95.43139 · CENSUS TIGER

COUNTY

Allen County

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Other plants nearby

Facility	City	Industry	Status	Distance
Monarch Cement - Humboldt	Humboldt	Cement Manufacturing 327310	UNVERIFIED	0.2 KM
Ash Grove Cement Co-chanute Plant	Chanute	Cement Manufacturing 327310	LIKELY ACTIVE	11.2 KM
Obrien Rock - Chanute	Chanute	Ready-Mix Concrete Manufacturing 327320	UNVERIFIED	11.4 KM
O'brien Ready Mix - Chanute Plant	Chanute	Ready-Mix Concrete Manufacturing 327320	UNVERIFIED	12.2 KM
Obrien Rock - Iola	Iola	Ready-Mix Concrete Manufacturing 327320	UNVERIFIED	14.5 KM

Every listed plant in Allen County

Also at this address

No other federal record shares this street address.

Where this record comes from

4 sources hold this plant, and 9 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, BR, CEDRI, EIS, KS-FP, NCDB, NPDES, RBLC, RCRAINFO, TRIS, TSCA · EPA site type STATIONARY.

EPA ECHO compliance recordsOPERATING
first seen JUL 2026 · last seen JUL 2026
EPA Facility Registry ServiceEXISTENCE
Record 110017408303 · first seen JUN 2026 · last seen JUN 2026
EPA Toxics Release InventoryOPERATING
first seen DEC 2023 · last seen DEC 2024
DOL Form 5500 retirement plan filingsOPERATING
Records 480340590|KS|66748|p o box 1000, 480340590|KS|66748|po box 1000 · first seen DEC 2024 · last seen DEC 2024

IN ALLEN COUNTY4 other plants share this one’s industry (Cement and Concrete Product Manufacturing, NAICS 3273); 2 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: MONARCH CEMENT CO · OCT 2026
Street address: EPA: 449 1200TH ST · OCT 2026
City: EPA: HUMBOLDT · OCT 2026
State: EPA: KS · OCT 2026
County (FIPS code): EPA: 20001 · OCT 2026
Coordinates: EPA: 37.797162,-95.431386 · OCT 2026
Employees (band): DOL: 100-499 · DEC 2024
Retirement plan filing (Form 5500): DOL: 220 active participants, plan year ending 2024-12-31, 4 plan(s) · DEC 2024
Hazardous waste generator (RCRA): EPA ECHO: SQG · OCT 2026

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