ENTERPRISE MONT BELVIEU COMPLEX

Incident Details
  • Incident ID: 439877
  • Date/Time Discovered: Apr 26, 2025 10:35
  • Facility: ENTERPRISE MONT BELVIEU COMPLEX
  • Physical Location: 10207 FM 1942 RD; MONT BELVIEU, TX 77521
  • County: CHAMBERS
  • Event Type: EMISSIONS EVENT
  • RN Number: RN102323268
Description

SummaryAt the Enterprise Mont Belvieu Complex in Chambers County, Texas, a chemical release occurred involving multiple substances including propane, ethylene, carbon monoxide, and sulfur dioxide. These chemicals can potentially cause respiratory irritation and health risks for nearby residents, with some substances being flammable or toxic when inhaled in high concentrations. People living near the facility should stay indoors, close windows and doors, monitor local emergency communications, and contact healthcare providers if they experience breathing difficulties, chest pain, or unusual symptoms related to chemical exposure.

What was emitted
  • 300.00 POUNDS of C5+ (not including benzene)
  • 8000.00 POUNDS of Carbon Monoxide
  • 700.00 POUNDS of Ethylene (gaseous)
  • 3200.00 POUNDS of Nitrogen Oxides (NOx)
  • 6000.00 POUNDS of Propane
  • 4000.00 POUNDS of Propylene (Propene)
  • 15.00 POUNDS of Sulfur dioxide

How did it happenDue to a high pressure event in the DeEthanizer system, the Ethane Compressor shutdown on low suction pressure. Flaring was required to maintain control of the unit, which removed forward flow to the Ethane Compressor.