Midwest Oil Refining CO

1900 Walton Rd, Saint Louis, MO 63114

LIKELY ACTIVELAST SEEN IN FEDERAL DATA SEP 2026 · 2 SOURCES

Operating signal within 24 months, or from a single source.

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What they make

Petroleum Lubricating Oil and Grease Manufacturing324191

Where it is

38.68827, -90.34759 · CENSUS TIGER

COUNTY

St. Louis County

METRO AREA

St. Louis, MO-IL

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Other plants nearby

Facility	City	Industry	Status	Distance
Missouri Petroleum Products Company	Overland	Asphalt Paving Mixture and Block Manufacturing 324121	LIKELY ACTIVE	1.1 KM
Spirit Asphalt INC - Hazelwood	Hazelwood	Asphalt Shingle and Coating Materials Manufacturing 324122	UNVERIFIED	8.2 KM
McConnell and Associates - STL	Saint Louis	Asphalt Paving Mixture and Block Manufacturing 324121	LIKELY ACTIVE	8.5 KM
McConnell and Associates - STL	St. Louis	Asphalt Paving Mixture and Block Manufacturing 324121	LIKELY ACTIVE	8.5 KM
Pennzoil-quaker State Company (dba Sopus Products) (no Longer Subject to Frp)	Maryland Heights	Petroleum Lubricating Oil and Grease Manufacturing 324191	UNVERIFIED	7.0 KM

Every listed plant in St. Louis County

Also at this address

No other federal record shares this street address.

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, MO-DNR, NCDB, RCRAINFO · EPA site type STATIONARY.

EPA ECHO compliance recordsOPERATING
first seen JAN 2011 · last seen SEP 2026
EPA Facility Registry ServiceEXISTENCE
Record 110003940512 · first seen FEB 2015 · last seen FEB 2015

IN ST. LOUIS COUNTY33 other plants share this one’s industry (Petroleum and Coal Products Manufacturing, NAICS 3241); 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: MIDWEST OIL REFINING CO · NOV 2026
Street address: EPA: 1900 WALTON RD · NOV 2026
City: EPA: SAINT LOUIS · NOV 2026
State: EPA: MO · NOV 2026
County (FIPS code): EPA: 29189 · NOV 2026
Coordinates: EPA: 38.68827,-90.34759 · NOV 2026
Hazardous waste generator (RCRA): EPA ECHO: none · NOV 2026

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