Diamond Shamrock Refinery - Three Rivers
301 Leroy, Three Rivers, TX 78071, Live Oak County
A manufacturing facility in Three Rivers, Texas, listed in EPA records under petroleum refineries (NAICS 324110). It is one of 6,127 active manufacturing facilities in EPA records in Texas.
- Industry
- Petroleum and coal products
- NAICS 324
- TRI reporter
- Yes
- Inspections, 5 yr
- 10
- EPA registry ID
- 110000464462
- Revised
- November 1, 2026
What's made here
- Petroleum Refineries (NAICS 324110)
Public EPA records
| Toxics Release Inventory | Reports to the TRI (facility ID 78071DMNDS301LE, 7807WVLRNR31WLE). |
|---|---|
| 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 large quantity generator of hazardous waste (1,000 kg or more a month); and a site with a past hazardous waste treatment, storage or disposal unit (legacy TSDF). |
| Greenhouse gas reporting | Reports to the Greenhouse Gas Reporting Program. |
| Inspections | 10 in the last five years; most recent July 9, 2026. |
EPA ECHO, November 1, 2026; not a rating. EPA report ยท About these records