Facility	City	Industry	Status	Distance
Glacier Northwest dba CalPortland (Duwamish Ready Mix)	Seattle	Ready-Mix Concrete Manufacturing 327320	LIKELY ACTIVE	0.7 KM
Cadman Seattle INC	Seattle	Ready-Mix Concrete Manufacturing 327320	UNVERIFIED	0.7 KM
Glacier Nw Reichhold Mtca	Seattle	Cement Manufacturing 327310	UNVERIFIED	0.6 KM
Lafarge Cement CO - Seattle Facility	Seattle	Cement Manufacturing 327310	LIKELY ACTIVE	0.9 KM
HM PNW- Seattle RMC	Seattle	Ready-Mix Concrete Manufacturing 327320	LIKELY ACTIVE	1.4 KM

Every listed plant in King County

Also at this address

1 other record shares this street address. Separate filings can describe distinct businesses on one site, or the same plant recorded by different agencies, so every record is kept rather than merged away.

Glacier Northwest dba CalPortland (Duwamish Ready Mix)

Seattle, WA

LIKELY ACTIVE327320EMP 20-99

WHERE THIS RECORD COMES FROM — 3 FEDERAL SOURCES, 6 FIELDS

Every fact on this page traces to a public federal filing. The table below names which register holds this facility, whether that register proves the plant operates or only that it exists, and when each of them last saw it.

EPA cross-references this facility in ICIS, NPDES, RCRAINFO, TRIS, WA-FSIS · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
EPA FRS	EXISTENCE	JAN 2026	JAN 2026
EPA TRI	OPERATING	DEC 2023	DEC 2023
EPA ECHO	OPERATING	MAR 2017	MAR 2017

FIELD BY FIELD — WHICH SOURCE SUPPLIED WHAT

FIELD	SOURCE	SIGNAL
ADDRESS LINE1	EPA FRS	JUL 2026
CITY	EPA FRS	JUL 2026
GEOM	EPA FRS	JUL 2026
NAME	EPA FRS	JUL 2026
RCRA GENERATOR STATUS	EPA ECHO	SEP 2026
STATE	EPA FRS	JUL 2026

Status is computed from independent sources; nothing here is self-reported unless marked Claimed.

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