Facility	City	Industry	Status	Distance
Ready Mixed Concrete CO Plant 14	Lafayette	Ready-Mix Concrete Manufacturing 327320	LIKELY ACTIVE	0.1 KM
Ready Mixed Concrete Company Lafayette	Lafayette	Ready-Mix Concrete Manufacturing 327320	LIKELY ACTIVE	0.5 KM
Concrete Works of Colorado - Port Plant	Lafayette	Concrete Block and Brick Manufacturing 327331	UNVERIFIED	1.1 KM
Aggregate Industries - Wcr INC	Louisville	Ready-Mix Concrete Manufacturing 327320	UNVERIFIED	4.8 KM
Holcim-wcr INC - Broomfield Plant	Broomfield	Ready-Mix Concrete Manufacturing 327320	LIKELY ACTIVE	6.1 KM

Every listed plant in Boulder County

Also at this address

No other federal record shares this street address.

Where this record comes from

3 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 AIR, AIRS/AFS, EIS, NPDES, TRIS · EPA site type STATIONARY.

EPA ECHO compliance recordsOPERATING
first seen APR 2025 · last seen APR 2025
EPA Toxics Release InventoryOPERATING
first seen DEC 2023 · last seen DEC 2024
EPA Facility Registry ServiceEXISTENCE
Record 110012702664 · first seen JUN 2016 · last seen JUN 2016

IN BOULDER COUNTY16 other plants share this one’s industry (Cement and Concrete Product Manufacturing, NAICS 3273); 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: LAFARGE ROCK CREEK READY MIX · OCT 2026
Street address: EPA: 1160 ROCK CREEK CT. · OCT 2026
City: EPA: LAFAYETTE · OCT 2026
State: EPA: CO · OCT 2026
County (FIPS code): EPA: 08013 · OCT 2026
Coordinates: EPA: 39.9787,-105.07378 · OCT 2026

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