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EPA compliance record of DIAMOND SHAMROCK REFINERY - THREE RIVERS

DIAMOND SHAMROCK REFINERY - THREE RIVERS (Three Rivers, TX): EPA compliance status No Violation Identified as of October 18, 2026, 5 of 12 quarters in violation, 3 formal enforcement actions and $28,855 penalties in five years — EPA ECHO.

Cite: FACTANKER, https://factanker.com/us-environmental-compliance/facility/110000464462

What is the EPA compliance record of DIAMOND SHAMROCK REFINERY - THREE RIVERS, Three Rivers, TX?

Live Oak County · Texas · greenhouse gas emissions · NAICS 32411 324110 424710 · EPA registry ID 110000464462 · EPA detailed facility report

MeasureValue
Compliance statusNo Violation Identified
Quarters in violation, last 3 years (of 12)5
Inspections and evaluations, last 5 years10
Last inspection2026-07-09
Informal enforcement actions, last 5 years5
Formal enforcement actions, last 5 years3
Last formal action2024-07-23
Penalties attributed, last 5 years$28,855
Last penalty2024-07-23 · $10,725
Federal enforcement cases0

Which EPA programs regulate DIAMOND SHAMROCK REFINERY - THREE RIVERS, and what is its status in each?

ProgramStatusQuarters in violationFormal actionsPenalties
Air (Clean Air Act)No Violation Identified02$13,466
Water discharge permits (Clean Water Act, NPDES)No Violation Identified20–
Hazardous waste (RCRA)No Violation Identified31$15,389

EPA Enforcement and Compliance History Online (ECHO), weekly national export. Counts cover active sites in the Facility Registry Service; inspections, formal actions and penalties cover the last five years, quarters in violation the last three years. The EPA attributes a case that covers several facilities to each of them; area penalty totals here count an amount shared through the same federal case once, facility figures show the amount attributed to that facility. Large facilities are Clean Air Act majors, Clean Water Act majors and large hazardous waste generators or handlers. Source record.

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