Tri-star Mining - Hampshire Hill Mine (no. 419)

What they make

Where it is

Other plants nearby

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

• EPA Facility Registry ServiceEXISTENCE
  Record 110001297141 · first seen MAY 2025 · last seen SEP 2026
• EPA ECHO compliance recordsOPERATING
  first seen DEC 2025 · last seen SEP 2026

IN ALLEGANY COUNTY1 other plant shares this one’s industry (Cement and Concrete Product Manufacturing, NAICS 3273); 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: TRI-STAR MINING - HAMPSHIRE HILL MINE (NO. 419) · NOV 2026

Street address

EPA: 2278 MICHAEL RD · NOV 2026

City

EPA: BARTON · NOV 2026

State

EPA: MD · NOV 2026

County (FIPS code)

EPA: 24001 · NOV 2026

Coordinates

EPA: 39.54659,-79.05002 · NOV 2026