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Santa Maria Facility

2555 Willow Rd., Arroyo Grande, CA 93420

LIKELY ACTIVELAST SEEN IN FEDERAL DATA JUL 2025 · 3 SOURCES

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

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What they make

Petroleum Refineries324110

Where it is

35.03889, -120.58972 · CENSUS TIGER
COUNTY
METRO AREA
ON GOOGLE MAPS
STREET VIEW

Other plants nearby

FacilityCityIndustryStatusDistance
Greka Refining CompanySanta MariaPetroleum Refineries
324110
LIKELY ACTIVE14.0 KM
Aegis Industries, INC.Santa MariaPaint and Coating Manufacturing
325510
ACTIVE18.0 KM
Calportland ConstructionSanta MariaCement Manufacturing
327310
ACTIVE18.3 KM
Calportland Company Garey PlantSanta MariaAsphalt Paving Mixture and Block Manufacturing
324121
LIKELY ACTIVE31.4 KM
Hanson Aggregates Mid-pacific INCSanta MariaAsphalt Paving Mixture and Block Manufacturing
324121
UNVERIFIED34.2 KM

Every listed plant in San Luis Obispo County

Also at this address

No other federal record shares this street address.

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 AIR, AIRS/AFS, AIRS/AQS, BR, CA-ENVIROVIEW, CEDRI, E-GGRT, EIA-860, EIS, ICIS, NPDES, OSHA-OIS, RCRAINFO, SFDW, TRIS, TSCA · EPA site type STATIONARY.

  • EPA ECHO compliance recordsOPERATING
    first seen JUL 2025 · last seen JUL 2025
  • EPA Facility Registry ServiceEXISTENCE
    Record 110000481755 · first seen JUL 2020 · last seen AUG 2024
  • EPA Toxics Release InventoryOPERATING
    first seen DEC 2023 · last seen DEC 2023

ALSO RECORDED ASPHILLIPS 66 SANTA MARIA REFINERY

IN SAN LUIS OBISPO COUNTY15 other plants share this one’s industry (Petroleum and Coal Products Manufacturing, NAICS 3241); 0 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: SANTA MARIA FACILITY · OCT 2026
Street address
EPA: 2555 WILLOW RD. · OCT 2026
City
EPA: ARROYO GRANDE · OCT 2026
State
EPA: CA · OCT 2026
County (FIPS code)
EPA: 06079 · OCT 2026
CoordinatesSOURCES DISAGREE
Census geocoder: 35.047239910299,-120.591282331281 · JUL 2026
EPA: 35.038889,-120.589722 · OCT 2026 · ON THIS PAGE
Hazardous waste generator (RCRA)
EPA ECHO: SQG · OCT 2026

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