Clean Water Act discharge permit · NPDES MT0030783
WESTMORELAND ABSALOKA MINING LLC, Hardin, MT: NPDES MT0030783 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
WESTMORELAND ABSALOKA MINING LLC, held by Westmoreland Mining LLC, holds NPDES permit MT0030783. EPA’s file records it issued August 27, 2014 and expiring September 30, 2019. 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 | WESTMORELAND ABSALOKA MINING LLC |
|---|---|
| Permittee as filed | Westmoreland Mining LLC |
| NPDES ID | MT0030783 |
| 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 27, 2014 |
| Expiration date | September 30, 2019 |
| Issuing agency | EPA |
| Address | Hardin, MT 59034 |
| Subwatershed | Headwaters Sarpy Creek (HUC 101000010601) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 11Pollutants on file
- 11Under a numeric limit
- 11With a violation of any kind
- 2With 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 |
|---|---|---|---|---|---|
| Aluminum, dissolved [as Al] | 48 | 384 | 2 | March 31, 2019 | 15% over the limit |
| Iron, total [as Fe] | 48 | 383 | 1 | June 30, 2025 | 17% over the limit |
| pH | 48 | 382 | 0 | ||
| Solids, total suspended | 48 | 382 | 0 | ||
| Oil & Grease | 48 | 380 | 0 | ||
| Flow, total | 48 | 380 | 0 | ||
| Solids, settleable | 25 | 199 | 0 | ||
| Iron, dissolved [as Fe] | 24 | 190 | 0 | ||
| Lead, dissolved [as Pb] | 24 | 190 | 0 | ||
| Pass/Fail Static Renewal 48Hr Acute Ceriodaphnia dubia | 24 | 13 | 0 | ||
| Pass/Fail Static Renewal 96Hr Acute Pimephales Promelas | 24 | 13 | 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 MT0030783.
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 MT0030783 there.
Nearby on the register
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- Every permit record in Montana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.