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.

SII Williamsport

Williamsport, MD

LIKELY ACTIVE325180EMP 20-99

Where this record comes from

2 sources hold this plant, and 7 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, BR, EIS, MD-EPSC, MD-PEMIS, MD-RCRA, NPDES, RCRAINFO, TRIS · EPA site type STATIONARY.

EPA Facility Registry ServiceEXISTENCE
Record 110000340514 · first seen JUN 2017 · last seen JUN 2017
EPA ECHO compliance recordsOPERATING
first seen JUN 2009 · last seen JUN 2009

IN WASHINGTON COUNTY1 other plant shares this one’s industry (Basic Chemical Manufacturing, NAICS 3251); 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: SUN CHEMICAL CORP · OCT 2026
Street address: EPA: 10319 GRUMBACKER LANE · OCT 2026
City: EPA: WILLIAMSPORT · OCT 2026
State: EPA: MD · OCT 2026
County (FIPS code): EPA: 24043 · OCT 2026
Coordinates: EPA: 39.5961,-77.79878 · OCT 2026
Hazardous waste generator (RCRA): EPA ECHO: none · OCT 2026

Report a correction · Request removal