Clean Water Act discharge permit · NPDES WY0096831
WAGNER C, LEASE #208985, WY: NPDES WY0096831 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
WAGNER C, LEASE #208985, held by Black Thunder Oil LLC, holds NPDES permit WY0096831. EPA’s file records it issued April 6, 2022 and expiring January 31, 2027. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | WAGNER C, LEASE #208985 |
|---|---|
| Permittee as filed | Black Thunder Oil LLC |
| NPDES ID | WY0096831 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | April 6, 2022 |
| Expiration date | January 31, 2027 |
| Issuing agency | WDEQ |
| Address | WY |
| Subwatershed | Upper Wind Creek (HUC 101202010505) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 7Pollutants on file
- 7Under a numeric limit
- 7With a violation of any kind
- 1With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Produced water, oil and grease | 2 | 5 | 1 | February 28, 2025 | 110% over the limit |
| Flow | 4 | 28 | 0 | ||
| pH | 8 | 25 | 0 | ||
| Sulfide, total [as S] | 4 | 13 | 0 | ||
| Specific conductance | 1 | 3 | 0 | ||
| Chloride | 1 | 3 | 0 | ||
| Sulfate | 1 | 3 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| October 11, 2023 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| September 13, 2023 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
Watch this permit
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID WY0096831 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.