OIL CANYON
NPDES ID: WY0095532
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
Violations
December 31, 2025
Specific conductance
0% over limit
Discharged 4210 umho/cm against a permitted limit of 7500 umho/cm (DAILY MX)
DMR, Limited - Overdue
Chloride
0% over limit
Discharged 638 mg/L against a permitted limit of 2000 mg/L (DAILY MX)
DMR, Limited - Overdue
Chloride
0% over limit
Discharged 0 mg/L against a permitted limit of 2000 mg/L (DAILY MX)
DMR, Limited - Overdue
Sulfate
0% over limit
Discharged 0 mg/L against a permitted limit of 3000 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.37 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
Selenium, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Selenium, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 7.37 SU against a permitted limit of 6.5 SU (INST MIN)
DMR, Limited - Overdue
Specific conductance
0% over limit
Discharged 0 umho/cm against a permitted limit of 7500 umho/cm (DAILY MX)
DMR, Limited - Overdue
Produced water, oil and grease
0% over limit
Discharged 0 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Overdue
Radium 226 + radium 228, total
0% over limit
Discharged 0 pCi/L against a permitted limit of 60 pCi/L (DAILY MX)
DMR, Limited - Overdue
Sulfate
0% over limit
Discharged 1330 mg/L against a permitted limit of 3000 mg/L (DAILY MX)
DMR, Limited - Overdue
Selenium, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Produced water, oil and grease
0% over limit
Discharged 2.6 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6.5 SU (INST MIN)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
Radium 226 + radium 228, total
0% over limit
Discharged 46.6 pCi/L against a permitted limit of 60 pCi/L (DAILY MX)
DMR, Limited - Overdue
October 31, 2025
Produced water, oil and grease
0% over limit
Discharged 3 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Overdue
Produced water, oil and grease
0% over limit
Discharged 0 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Overdue
December 31, 2024
Produced water, oil and grease
50% over limit
Discharged 15 mg/L against a permitted limit of 10 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)