Clean Water Act discharge permit · NPDES WY0033383
BARTON LEASE TANK #4554, (Unknown City), WY: NPDES WY0033383 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
BARTON LEASE TANK #4554, held by Black Thunder Oil, holds NPDES permit WY0033383. EPA’s file records it issued August 30, 2019 and expiring December 31, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | BARTON LEASE TANK #4554 |
|---|---|
| Permittee as filed | Black Thunder Oil |
| NPDES ID | WY0033383 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | August 30, 2019 |
| Expiration date | December 31, 2024 |
| Issuing agency | Wyoming Department of Environmental Quality |
| Address | (Unknown City), WY |
| Subwatershed | Lower Arch Creek (HUC 101202010703) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 8Pollutants on file
- 8Under 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 | 14 | 3 | June 30, 2026 | 770% over the limit |
| Flow | 4 | 62 | 0 | ||
| pH | 6 | 32 | 0 | ||
| Sulfide, total [as S] | 4 | 25 | 0 | ||
| Specific conductance | 1 | 5 | 0 | ||
| Chloride | 1 | 5 | 0 | ||
| Sulfate | 1 | 5 | 0 | ||
| Radium 226, total | 1 | 0 | 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 5, 2023 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| January 28, 2020 | Reporting Violations - Improper/ Incorrect Reporting | 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.
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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 WY0033383 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.