FRS Facility Detail Report


AGGREGATE INDUSTRIES - CASTLE ROCK PLANT

EPA Registry Id: 110030748074
1120 TOPEKA WAY
CASTLE ROCK, CO 80109


The facility locations displayed
come from the FRS Spatial
Coordinates tables. They are the
best representative locations for
the displayed facilities based on
the accuracy of the collection
method and quality assurance
checks performed against each
location. The North American
Datum of 1983 is used to display
all coordinates.

Environmental Interests

Information System System Facility Name Information System Id/Report Link Environmental Interest Type Data Source Last Updated Date Supplemental Environmental Interests:
TOXICS RELEASE INVENTORY SYSTEM
HOLCIM WCR INC CASTLE ROCK READY MIX PLANT 8010WGGRGT112TP TRI REPORTER API 06/05/2023
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
METRO MIX CASTLE ROCK PLANT COR900803 ICIS-NPDES NON-MAJOR ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEM (ICIS-NPDES)
METRO MIX CASTLE ROCK PLANT COR900803 STORM WATER INDUSTRIAL ICIS
ICIS-
ENFORCEMENT/COMPLIANCE ACTIVITY
AIR FACILITY SYSTEM
METRO MIX, LLC 0803500689 AIR MINOR (OPERATING) AIRS/AFS 07/30/2014
ICIS-AIR (AIR)
HOLCIM-WCR INC - CASTLE ROCK PLANT CO0000000803500689 AIR MINOR ICIS 07/09/2015
EMISSION INVENTORY SYSTEM (EIS)
HOLCIM-WCR INC - CASTLE ROCK PLANT 12833711 AIR MINOR EIS 01/09/2025

Additional EPA Reports:  

MyEnvironment  Enforcement and Compliance  Facility Coordinates Viewer  Watershed Report

Standard Industrial Classification Codes (SIC)

Data Source SIC Code Description Primary
AIRS/AFS
3273
READY-MIXED CONCRETE

AIR
3273
READY-MIXED CONCRETE

NPDES
3273
READY-MIXED CONCRETE

Facility Codes and Flags

EPA Region: 08
Duns Number: 128734949
Congressional District Number: 04
Legislative District Number:
HUC Code/Watershed: 10190002 / UPPER SOUTH PLATTE
US Mexico Border Indicator:
Federal Facility: NO
Tribal Land: NO

Alternative Names

Alternative Name Source of Data
METRO MIX, LLC EIS
METRO MIX CASTLE ROCK PLANT ICIS

Organizations

Affiliation Type Name DUNS Number Information System Mailing Address
PARENT COMPANY
AGGREGATE INDUSTRIES MANAGEMENT INC 128734949
TRIS


National Industry Classification System Codes (NAICS)

Data Source NAICS Code Description Primary
TRIS 327320 READY-MIX CONCRETE MANUFACTURING.
AIRS/AFS 327320 READY-MIX CONCRETE MANUFACTURING.
EIS 327320 READY-MIX CONCRETE MANUFACTURING.
AIR 327320 READY-MIX CONCRETE MANUFACTURING.

Facility Mailing Addresses

Affiliation Type Delivery Point City Name State Postal Code Information System
MAILING ADDRESS 1687 COLE BLVD #300 GOLDEN CO 80401 TRIS

Contacts

Affiliation Type Full Name Office Phone Information System Mailing Address
PERMITTEE
ERIC TYRRELL
3034291996
NPDES


PUBLIC CONTACT
CHLOE SOIK
7202011795
TRIS


Query executed on: OCT-14-2025


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