Clean Water Act discharge permit · NPDES MT0024619
SPRING CREEK MINE, Decker, MT: NPDES MT0024619 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 23Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
SPRING CREEK MINE, held by SPRING CREEK COAL LLC, holds NPDES permit MT0024619, which discharges to Unnamed Trib To Spring Creek. EPA’s file records it issued December 20, 2010 and expiring January 31, 2016. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | SPRING CREEK MINE |
|---|---|
| Permittee as filed | SPRING CREEK COAL LLC |
| NPDES ID | MT0024619 |
| 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 | December 20, 2010 |
| Expiration date | January 31, 2016 |
| Address | Decker, MT 59025 |
| Receiving water | UNNAMED TRIB TO SPRING CREEK |
| Subwatershed | Tongue River-Pearson Creek (HUC 100901010501) |
| SIC | 1221 – Bituminous Coal And Lignite - Surface |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 30Pollutants on file
- 23Under a numeric limit
- 27With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| Fluoride, total [as F] | 60 | 26 | 0 | ||
| Aluminum, dissolved [as Al] | 60 | 26 | 0 | ||
| Arsenic, total [as As] | 36 | 26 | 0 | ||
| Copper, total [as Cu] | 36 | 26 | 0 | ||
| Silver, total [as Ag] | 36 | 26 | 0 | ||
| Zinc, total [as Zn] | 36 | 26 | 0 | ||
| Selenium, total [as Se] | 36 | 26 | 0 | ||
| Mercury, total [as Hg] | 36 | 26 | 0 | ||
| Calcium, total [as Ca] | 36 | 24 | 0 | ||
| Cadmium, total [as Cd] | 36 | 24 | 0 | ||
| Lead, total [as Pb] | 36 | 24 | 0 | ||
| Conductivity | 24 | 9 | 0 | ||
| Discharge event observation [Visual Monitoring] | 0 | 3 | 0 | ||
| Flow rate | 36 | 2 | 0 | ||
| pH | 36 | 2 | 0 | ||
| Iron, total [as Fe] | 36 | 2 | 0 | ||
| Sodium adsorption ratio | 24 | 2 | 0 | ||
| Solids, total suspended | 12 | 2 | 0 | ||
| Nitrite + Nitrate total [as N] | 12 | 2 | 0 | ||
| Solids, total dissolved [TDS] | 12 | 2 | 0 | ||
| Nitrogen, total [as N] | 0 | 2 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 2 | 0 | ||
| Phosphorus, total [as P] | 0 | 2 | 0 | ||
| Cadmium, dissolved [as Cd] | 0 | 2 | 0 | ||
| Chromium, total [as Cr] | 0 | 2 | 0 | ||
| Nickel, total [as Ni] | 0 | 2 | 0 | ||
| Oil and grease, hexane extr method | 18 | 1 | 0 | ||
| Solids, settleable | 6 | 0 | 0 | ||
| Toxic Units Static Renewal 48Hr Acute Ceriodaphnia dubia | 3 | 0 | 0 | ||
| TU Static Renewal 96Hr Acute Pimphales promelas | 3 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MT0024619.
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 MT0024619.
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 MT0024619 there.
Nearby on the register
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- Every permit record in Decker, A to Z
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- Every permit record in Montana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.