Clean Water Act discharge permit · NPDES MTR000458
MALTEUROP NORTH AMERICA INC, Great Falls, MT: NPDES MTR000458 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MALTEUROP NORTH AMERICA INC, held by INTERNATIONAL MALTING CO, holds NPDES permit MTR000458, which discharges to Missouri River. EPA’s file records it issued April 19, 2018 and expiring January 31, 2023. 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 | MALTEUROP NORTH AMERICA INC |
|---|---|
| Permittee as filed | INTERNATIONAL MALTING CO |
| NPDES ID | MTR000458 |
| 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 19, 2018 |
| Expiration date | January 31, 2023 |
| Address | Great Falls, MT 59404 |
| Receiving water | MISSOURI RIVER |
| Subwatershed | Missouri River-Great Falls (HUC 100301021201) |
| SIC | 2083 – Malt |
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
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES MTR000458.
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
- 8Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 14, 2024 | WW Storm Water Non-Construction - Failure to Monitor | ST6 |
| May 14, 2024 | WW Storm Water Non-Construction - Failure to properly operate and maintain BMPs | ST6 |
| May 14, 2024 | WW Storm Water Non-Construction - Failure to develop any or adequate SWPPP/SWMP | ST6 |
| May 14, 2024 | WW Storm Water Non-Construction - Failure to Conduct Inspections | ST6 |
| May 14, 2024 | WW Storm Water Non-Construction - Failure to Maintain Records | ST6 |
| May 17, 2017 | WW Storm Water Non-Construction - Failure to Conduct Inspections | ST6 |
| May 17, 2017 | WW Storm Water Non-Construction - Failure to Maintain Records | ST6 |
| May 17, 2017 | WW Storm Water Non-Construction - Failure to properly operate and maintain BMPs | 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.
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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 MTR000458 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.