Clean Water Act discharge permit · NPDES WY0051241
BULLWHACKER CREEK - DRY FORK LAND, WY: NPDES WY0051241 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 15Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
BULLWHACKER CREEK - DRY FORK LAND, held by Carbon Creek Energy, LLC, holds NPDES permit WY0051241. EPA’s file records it issued May 18, 2018 and expiring June 30, 2023. 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 | BULLWHACKER CREEK - DRY FORK LAND |
|---|---|
| Permittee as filed | Carbon Creek Energy, LLC |
| NPDES ID | WY0051241 |
| 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 | May 18, 2018 |
| Expiration date | June 30, 2023 |
| Issuing agency | WDEQ |
| Address | WY |
| Subwatershed | Upper Dry Fork Powder River (HUC 100902020202) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 18Pollutants on file
- 15Under a numeric limit
- 17With a violation of any kind
- 5With 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 |
|---|---|---|---|---|---|
| Specific conductance | 260 | 116 | 11 | June 30, 2013 | 24% over the limit |
| Iron, dissolved [as Fe] | 142 | 18 | 10 | December 31, 2023 | 490% over the limit |
| Barium, total recoverable | 0 | 2 | 2 | December 31, 2013 | 34% over the limit |
| pH | 502 | 61 | 1 | June 30, 2022 | |
| Barium, total [as Ba] | 142 | 9 | 1 | December 31, 2021 | 2% over the limit |
| Calcium, dissolved [as Ca] | 260 | 105 | 0 | ||
| Magnesium, dissolved [as Mg] | 260 | 105 | 0 | ||
| Sodium, dissolved [as Na] | 260 | 105 | 0 | ||
| Sodium adsorption ratio | 118 | 96 | 0 | ||
| Flow | 290 | 50 | 0 | ||
| Bicarbonate as [CaCO3] | 251 | 30 | 0 | ||
| Digester gas, volume | 109 | 30 | 0 | ||
| Sulfate | 109 | 21 | 0 | ||
| Sulfate, total [as SO4] | 0 | 9 | 0 | ||
| Sodium Absorption Ratio | 0 | 9 | 0 | ||
| Arsenic, total [as As] | 142 | 8 | 0 | ||
| Chloride | 142 | 8 | 0 | ||
| Priority pollutants scan [yes/no] | 24 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES WY0051241.
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 WY0051241 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.