Opta Minerals

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
HNHilgartner Natural Stone Co., INC.	Baltimore	Cut Stone and Stone Product Manufacturing 327991	● ACTIVE	7.8 KM
LBLafarge Building Material INC	Sparrows Point	Cement Manufacturing 327310	◐ LIKELY ACTIVE	11.3 KM
Chesapeake Specialty Products, INC.	Sparrows Point	Abrasive Product Manufacturing 327910	● ACTIVE	10.9 KM
RMRecovermat Mid-atlantic, LLC	Baltimore	Ground or Treated Mineral and Earth Manufacturing 327992	◐ LIKELY ACTIVE	13.2 KM
BABonsal American INC	White Marsh	Asphalt Shingle and Coating Materials Manufacturing 324122	◐ LIKELY ACTIVE	13.4 KM

Every listed plant in Baltimore 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, MD-PEMIS, MD-TEMPO, NPDES · EPA site type STATIONARY.

• EPA ECHO compliance recordsOPERATING
  first seen JUL 2024 · last seen JUL 2024
• EPA Facility Registry ServiceEXISTENCE
  Record 110019851631 · first seen JAN 2016 · last seen JAN 2016

IN BALTIMORE COUNTY8 other plants share this one’s industry (Other Nonmetallic Mineral Product Manufacturing, NAICS 3279); 3 of them have 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: OPTA MINERALS · OCT 2026

Street address

EPA: 4500 FAYETTE · OCT 2026

City

EPA: BALTIMORE · OCT 2026

State

EPA: MD · OCT 2026

County (FIPS code)

EPA: 24005 · OCT 2026

Coordinates

EPA: 39.295286,-76.559094 · OCT 2026