Facility	City	Industry	Status	Distance
Schmidt Const CO	Castle Rock	Asphalt Paving Mixture and Block Manufacturing 324121	UNVERIFIED	7.8 KM
Kiewit - Sedalia Asphalt Plant	Sedalia	Asphalt Paving Mixture and Block Manufacturing 324121	LIKELY ACTIVE	19.8 KM
Ready Mixed Concrete Company Sedalia	Sedalia	Asphalt Paving Mixture and Block Manufacturing 324121	LIKELY ACTIVE	22.7 KM
Kiewit Inf. - Portable Asphalt Plant	Englewood	Asphalt Paving Mixture and Block Manufacturing 324121	UNVERIFIED	28.8 KM
Carbon Fuels, L.l.c.	Centennial	All Other Petroleum and Coal Products Manufacturing 324199	ACTIVE	32.7 KM

Every listed plant in Douglas 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 AIR, AIRS/AFS, EIS · EPA site type STATIONARY.

EPA ECHO compliance recordsOPERATING
first seen SEP 2025 · last seen SEP 2025
EPA Facility Registry ServiceEXISTENCE
Record 110002444659 · first seen JUN 2017 · last seen JUN 2017

IN DOUGLAS COUNTY6 other plants share this one’s industry (Petroleum and Coal Products Manufacturing, NAICS 3241); 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: SCHMIDT CONST CO INC MENCENBERG QUARRY · OCT 2026
Street address: EPA: 2830 RIDGE ROAD · OCT 2026
City: EPA: CASTLE ROCK · OCT 2026
State: EPA: CO · OCT 2026
County (FIPS code): EPA: 08035 · OCT 2026
Coordinates: EPA: 39.32119,-104.81269 · OCT 2026

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