Santa Maria Facility
2555 Willow Rd., Arroyo Grande, CA 93420, San Luis Obispo County
A manufacturing facility in Arroyo Grande, California, listed in EPA records under petroleum refineries (NAICS 324110) and also all other petroleum and coal products manufacturing. It is one of 32,455 active manufacturing facilities in EPA records in California.
- Industry
- Petroleum and coal products
- NAICS 324
- TRI reporter
- Yes
- Inspections, 5 yr
- 2
- EPA registry ID
- 110000481755
- Revised
- November 1, 2026
What's made here
- Petroleum Refineries (NAICS 324110)
- All Other Petroleum and Coal Products Manufacturing (NAICS 324199)
Public EPA records
| Toxics Release Inventory | Reports to the TRI (facility ID 93420NCLSN2555W). |
|---|---|
| Clean Air Act | Listed as a major source of air emissions. |
| Clean Water Act | Major and non-major water discharge permits (NPDES). |
| Hazardous waste (RCRA) | Listed as a small quantity generator of hazardous waste (100 to 1,000 kg a month); and a very small quantity generator of hazardous waste (under 100 kg a month). |
| Greenhouse gas reporting | Reports to the Greenhouse Gas Reporting Program. |
| Inspections | 2 in the last five years; most recent June 10, 2025. |
EPA ECHO, November 1, 2026; not a rating. EPA report ยท About these records