Facility	City	Industry	Status	Distance
Smyrna Ready Mix Concrete, LLC - Spec Agg Ready Mix	Golden	Asphalt Paving Mixture and Block Manufacturing 324121	LIKELY ACTIVE	0.5 KM
Martin Marietta Mtrls - Plant 41-246098	Golden	Asphalt Paving Mixture and Block Manufacturing 324121	LIKELY ACTIVE	0.5 KM
Asphalt Paving Company	Golden	Asphalt Paving Mixture and Block Manufacturing 324121	UNVERIFIED	8.4 KM
Asphalt Paving CO	Golden	Asphalt Paving Mixture and Block Manufacturing 324121	UNVERIFIED	8.8 KM
Mesa Oil INC	Arvada W of	Petroleum Refineries 324110	UNVERIFIED	16.8 KM

Every listed plant in Jefferson County

Also at this address

No other federal record shares this street address.

Where this record comes from

2 sources hold this plant, and 6 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 TRIS · EPA site type STATIONARY.

EPA Toxics Release InventoryOPERATING
first seen DEC 2023 · last seen DEC 2024
EPA Facility Registry ServiceEXISTENCE
Record 110064235073 · first seen MAY 2017 · last seen MAY 2017

IN JEFFERSON COUNTY8 other plants share this one’s industry (Petroleum and Coal Products Manufacturing, NAICS 3241); 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: MARTIN MARIETTA - SPEC AGG · OCT 2026
Street address: EPA: 19301 W COLFAX · OCT 2026
City: EPA: GOLDEN · OCT 2026
State: EPA: CO · OCT 2026
County (FIPS code): EPA: 08059 · OCT 2026
Coordinates: EPA: 39.708889,-105.21 · OCT 2026

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