Entegris Chester Plant
800 W Front St, Chester, PA 19013
LIKELY ACTIVELAST SEEN IN FEDERAL DATA MAY 2026 · 3 SOURCES
Operating signal within 24 months, or from a single source.
What they make
All Other Basic Organic Chemical Manufacturing325199Where it is
39.84065, -75.36824 · CENSUS TIGER
COUNTY
ON GOOGLE MAPS
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Pq Corporation | Chester | Other Basic Inorganic Chemical Manufacturing 325180 | LIKELY ACTIVE | 0.4 KM |
| Evonik Corp/chester | Chester | Synthetic Dye and Pigment Manufacturing 325130 | ACTIVE | 0.5 KM |
| Stoney Creek Technologies LLC | Marcus Hook | All Other Basic Organic Chemical Manufacturing 325199 | UNVERIFIED | 2.7 KM |
| Delaware River Plant | Bridgeport | All Other Basic Organic Chemical Manufacturing 325199 | LIKELY ACTIVE | 4.5 KM |
| Soluita INC Delaware River Plant | Bridgeport | Petrochemical Manufacturing 325110 | UNVERIFIED | 5.9 KM |
Also at this address
No other federal record shares this street address.
WHERE THIS RECORD COMES FROM — 3 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 AIR, AIRS/AFS, BR, EIS, ICIS, NCDB, NPDES, PA-EFACTS, RCRAINFO, TRIS, TSCA · EPA site type STATIONARY.
| Source | Evidence | First seen | Last seen |
|---|---|---|---|
| EPA ECHO | OPERATING | MAY 2026 | MAY 2026 |
| EPA FRS | EXISTENCE | JUL 2025 | JUL 2025 |
| EPA TRI | OPERATING | DEC 2023 | DEC 2023 |
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 | SEP 2026 |
| STATE | EPA FRS | JUL 2026 |
Status is computed from independent sources; nothing here is self-reported unless marked Claimed.