HOUSTON SHIP CHANNEL MARINE LOADING FACILITY
NPDES ID: TX0133353
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
This quarter: 1 effluent violation.
Violations
April 30, 2026
Oxygen demand, chem. [high level] [COD]
48% over limit
Discharged 295 mg/L against a permitted limit of 200 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Chlorine, total residual
50% over limit
Discharged 0.3 mg/L against a permitted limit of 0.2 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
Chlorine, total residual
20% over limit
Discharged 0.6 mg/L against a permitted limit of 0.5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
pH
0% over limit
Discharged 9.5 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 9.5 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Numeric Violation
Chlorine, total residual
340% over limit
Discharged 2.2 mg/L against a permitted limit of 0.5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
200% over limit
Discharged 0.6 mg/L against a permitted limit of 0.2 mg/L (DAILY AV)
DMR, Limited - Numeric Violation
January 31, 2025
Oxygen demand, chem. [high level] [COD]
54% over limit
Discharged 307 mg/L against a permitted limit of 200 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Carbon, tot organic [TOC]
8% over limit
Discharged 80.7 mg/L against a permitted limit of 75 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)