Olin Winchester LLC

What they make

Where it is

Other plants nearby

Facility	City	Industry	Status	Distance
Wieland Rolled Products North America, LLC	East Alton	Copper Rolling, Drawing, Extruding, and Alloying 331420	◐ LIKELY ACTIVE	2.0 KM
WRWieland Rolled Products NA - East Alton Casting Plant	East Alton	Copper Rolling, Drawing, Extruding, and Alloying 331420	◐ LIKELY ACTIVE	2.0 KM
CChemetco	Hartford	Copper Rolling, Drawing, Extruding, and Alloying 331420	◐ LIKELY ACTIVE	10.0 KM
MMMayco Manufacturing LLC dba Mayco Industries	Granite City	Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding 331491	● ACTIVE	21.3 KM
MMMayco Mfg LLC	Granite City	Nonferrous Metal (except Aluminum) Smelting and Refining 331410	◐ LIKELY ACTIVE	21.5 KM

Every listed plant in Madison County

Also at this address

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.

Where this record comes from

3 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 ACES, AIR, AIRS/AFS, BR, EIS, ICIS, NCDB, NPDES, OSHA-OIS, RCRAINFO, TRIS, TSCA · EPA site type STATIONARY.

• EPA Facility Registry ServiceEXISTENCE
  Record 110000438688 · first seen FEB 2026 · last seen FEB 2026
• EPA ECHO compliance recordsOPERATING
  first seen OCT 2025 · last seen OCT 2025
• EPA Toxics Release InventoryOPERATING
  first seen DEC 2023 · last seen DEC 2024

IN MADISON COUNTY10 other plants share this one’s industry (Nonferrous Metal (except Aluminum) Production and Processing, NAICS 3314); 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: OLIN WINCHESTER LLC · OCT 2026

Street address

EPA: 427 N SHAMROCK ST · OCT 2026

City

EPA: EAST ALTON · OCT 2026

State

EPA: IL · OCT 2026

County (FIPS code)

EPA: 17119 · OCT 2026

Coordinates

EPA: 38.888368,-90.112807 · OCT 2026

Hazardous waste generator (RCRA)

EPA ECHO: LQG · OCT 2026