Clean Water Act discharge permit · NPDES MTR000139
MONTANA RAILROAD SERVICES, INC, Joliet, MT: NPDES MTR000139 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MONTANA RAILROAD SERVICES, INC, held by MONTANA RAILROAD SERVICES INC, holds NPDES permit MTR000139, which discharges to White Horse Canal. EPA’s file records it issued April 13, 2018 and expiring January 31, 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 | MONTANA RAILROAD SERVICES, INC |
|---|---|
| Permittee as filed | MONTANA RAILROAD SERVICES INC |
| NPDES ID | MTR000139 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Industrial stormwater |
| Issued | April 13, 2018 |
| Expiration date | January 31, 2023 |
| Address | Joliet, MT 59041 |
| Receiving water | WHITE HORSE CANAL |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Clarks Fork Yellowstone River-Farewell Creek (HUC 100700060805) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 5Pollutants on file
- 0Under a numeric limit
- 5With 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 |
|---|---|---|---|---|---|
| Flow rate | 0 | 3 | 0 | ||
| Oil and grease visual | 0 | 2 | 0 | ||
| Solids, total suspended | 0 | 1 | 0 | ||
| Total phenols | 0 | 1 | 0 | ||
| Chemical Oxygen Demand [COD] | 0 | 1 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MTR000139.
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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 5, 2019 | WW Storm Water Non-Construction - Failure to Conduct Inspections | ST6 |
| December 5, 2019 | WW Storm Water Non-Construction - Failure to Maintain Records | ST6 |
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 MTR000139 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.