Facility	City	Industry	Status	Distance
Supreme Edgelight Devices, INC.	Grass Valley	Other Electronic Component Manufacturing 334419	ACTIVE	0.7 KM
Linear Technology CORP	Grass Valley	Semiconductor and Related Device Manufacturing 334413	UNVERIFIED	1.4 KM
Analog Devices INC	Grass Valley	Semiconductor and Related Device Manufacturing 334413	UNVERIFIED	1.4 KM
Measurement Specialties INC	Grass Valley	Semiconductor and Other Electronic Component Manufacturing 334415	ACTIVE	1.7 KM
High Country Tek INC	Nevada City	Bare Printed Circuit Board Manufacturing 334412	UNVERIFIED	2.9 KM

Every listed plant in Nevada 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.

Empire Mill Works

Grass Valley, CA

UNVERIFIED337215

WHERE THIS RECORD COMES FROM — 2 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 NPDES, RCRAINFO · EPA site type STATIONARY.

Source	Evidence	First seen	Last seen
EPA ECHO	OPERATING	SEP 2018	SEP 2018
EPA FRS	EXISTENCE	SEP 2018	SEP 2018

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	AUG 2026
STATE	EPA FRS	JUL 2026

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

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