Clean Water Act discharge permit · NPDES WY0040355
SOUTH JOE CREEK - SA CREEK, WY: NPDES WY0040355 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 15Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
SOUTH JOE CREEK - SA CREEK, held by Storm Cat Energy (USA) Operating Corporation, holds NPDES permit WY0040355. EPA’s file records it issued June 26, 2009 and expiring June 30, 2014. 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 | SOUTH JOE CREEK - SA CREEK |
|---|---|
| Permittee as filed | Storm Cat Energy (USA) Operating Corporation |
| NPDES ID | WY0040355 |
| 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 | June 26, 2009 |
| Expiration date | June 30, 2014 |
| Issuing agency | WDEQ |
| Address | WY |
| Subwatershed | SA Creek (HUC 100902070103) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 19Pollutants on file
- 15Under a numeric limit
- 16With a violation of any kind
- 3With 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 | 258 | 814 | 501 | June 30, 2014 | 112% over the limit |
| pH | 266 | 448 | 2 | March 31, 2015 | |
| Iron, dissolved [as Fe] | 133 | 35 | 1 | December 31, 2009 | 92% over the limit |
| Flow | 282 | 400 | 0 | ||
| Sodium, dissolved [as Na] | 239 | 313 | 0 | ||
| Calcium, dissolved [as Ca] | 151 | 313 | 0 | ||
| Magnesium, dissolved [as Mg] | 151 | 313 | 0 | ||
| Bicarbonate as [CaCO3] | 133 | 223 | 0 | ||
| Sodium adsorption ratio | 151 | 90 | 0 | ||
| Digester gas, volume | 0 | 53 | 0 | ||
| Sulfate, total [as SO4] | 0 | 53 | 0 | ||
| Sodium Absorption Ratio | 0 | 53 | 0 | ||
| Arsenic, total recoverable | 133 | 34 | 0 | ||
| Barium, total recoverable | 133 | 34 | 0 | ||
| Chloride | 133 | 34 | 0 | ||
| Priority pollutants scan [yes/no] | 0 | 28 | 0 | ||
| Solids, total dissolved | 224 | 0 | 0 | ||
| Alkalinity, total [as CaCO3] | 133 | 0 | 0 | ||
| Flow, total | 44 | 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 WY0040355.
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 WY0040355 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.