Clean Water Act discharge permit · NPDES WY0047287
LITTLE THUNDER CBM PROJECT, WY: NPDES WY0047287 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
LITTLE THUNDER CBM PROJECT, held by E & B Natural Resources Management Corporation, holds NPDES permit WY0047287. EPA’s file records it issued March 16, 2010 and expiring September 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 | LITTLE THUNDER CBM PROJECT |
|---|---|
| Permittee as filed | E & B Natural Resources Management Corporation |
| NPDES ID | WY0047287 |
| 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 | March 16, 2010 |
| Expiration date | September 30, 2014 |
| Issuing agency | WDEQ |
| Address | WY |
| Subwatershed | Beckwith Creek-Antelope Creek (HUC 101201010305) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 16Pollutants on file
- 13Under a numeric limit
- 13With 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 |
|---|---|---|---|---|---|
| Flow | 36 | 77 | 13 | June 30, 2012 | 262% over the limit |
| Specific conductance | 12 | 5 | 0 | ||
| Calcium, dissolved [as Ca] | 12 | 5 | 0 | ||
| Magnesium, dissolved [as Mg] | 12 | 5 | 0 | ||
| Sodium, dissolved [as Na] | 12 | 5 | 0 | ||
| Sodium Absorption Ratio | 0 | 5 | 0 | ||
| pH | 12 | 4 | 0 | ||
| Alkalinity, total [as CaCO3] | 6 | 1 | 0 | ||
| Iron, dissolved [as Fe] | 6 | 1 | 0 | ||
| Chloride | 6 | 1 | 0 | ||
| Bicarbonate as [CaCO3] | 6 | 1 | 0 | ||
| Arsenic, total recoverable | 0 | 1 | 0 | ||
| Barium, total recoverable | 0 | 1 | 0 | ||
| Sodium adsorption ratio | 12 | 0 | 0 | ||
| Arsenic, total [as As] | 6 | 0 | 0 | ||
| Barium, total [as Ba] | 6 | 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 WY0047287.
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 WY0047287 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.