EXXONMOBIL CORPORATION
NPDES ID: GMG290070
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
Violations
November 30, 2025
Deck drainage, free oil
Limit violation
Discharged 1 d against a permitted limit of 0 d (MO TOTAL)
DMR, Limited - Numeric Violation
Well fluids, oil & grease
0% over limit
Discharged 0 mg/L against a permitted limit of 29 mg/L (MO AVG)
DMR, Limited - Overdue
Well fluids, oil & grease
0% over limit
Discharged 0 mg/L against a permitted limit of 42 mg/L (DAILY MX)
DMR, Limited - Overdue
August 31, 2025
Deck drainage, free oil
Limit violation
Discharged 1 d against a permitted limit of 0 d (MO TOTAL)
DMR, Limited - Numeric Violation
December 31, 2024
Deck drainage, free oil
Limit violation
Discharged 1 d against a permitted limit of 0 d (MO TOTAL)
DMR, Limited - Numeric Violation
November 30, 2024
Produced water, oil and grease
5574% over limit
Discharged 2383 mg/L against a permitted limit of 42 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Oil & grease, free oil
11090% over limit
Discharged 4700 mg/L against a permitted limit of 42 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Produced water, oil and grease
3007% over limit
Discharged 901 mg/L against a permitted limit of 29 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2024
Produced water, oil and grease
103% over limit
Discharged 59 mg/L against a permitted limit of 29 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Produced water, oil and grease
74% over limit
Discharged 73 mg/L against a permitted limit of 42 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2024
Deck drainage, free oil
Limit violation
Discharged 2 d against a permitted limit of 0 d (MO TOTAL)
DMR, Limited - Numeric Violation
August 31, 2024
Deck drainage, free oil
Limit violation
Discharged 1 d against a permitted limit of 0 d (MO TOTAL)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (5 days ago)