Ozinga Slag LLC

3231 Dickey Rd, East Chicago, IN 46312

UNVERIFIEDLAST SEEN IN FEDERAL DATA — · 1 SOURCE

Present in a source dataset, with no recent operating signal.

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What they make

Ground or Treated Mineral and Earth Manufacturing327992

Where it is

41.65552, -87.45968 · CENSUS TIGER

COUNTY

Lake County

METRO AREA

Chicago-Naperville-Elgin, IL-IN

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Other plants nearby

Facility	City	Industry	Status	Distance
Cleveland-cliffs LLC	East Chicago	All Other Petroleum and Coal Products Manufacturing 324199	LIKELY ACTIVE	0.8 KM
Beemsterboer Slag CORP Contractor of Ar	East Chicago	Ground or Treated Mineral and Earth Manufacturing 327992	LIKELY ACTIVE	1.0 KM
Phoenix Services LLC Dba Metal Services	East Chicago	Ground or Treated Mineral and Earth Manufacturing 327992	LIKELY ACTIVE	1.1 KM
Reed Minerals, LLC	Gary	Abrasive Product Manufacturing 327910	ACTIVE	7.2 KM
Harsco - Reed Minerals Division	Gary	Ground or Treated Mineral and Earth Manufacturing 327992	UNVERIFIED	7.4 KM

Every listed plant in Lake County

Also at this address

No other federal record shares this street address.

Where this record comes from

1 source holds this plant, and 5 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 NPDES · EPA site type STATIONARY.

EPA Facility Registry ServiceEXISTENCE
Record 110072159292 · first seen APR 2026 · last seen APR 2026

IN LAKE COUNTY11 other plants share this one’s industry (Other Nonmetallic Mineral Product Manufacturing, NAICS 3279); 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: OZINGA SLAG LLC · OCT 2026
Street address: EPA: 3231 DICKEY RD · OCT 2026
City: EPA: EAST CHICAGO · OCT 2026
State: EPA: IN · OCT 2026
Coordinates: EPA: 41.655517,-87.459678 · OCT 2026

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