Clean Water Act discharge permit · NPDES MTR111819
MAFB COMMERCIAL ENTRANCE, Malmstrom Afb, MT: NPDES MTR111819 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MAFB COMMERCIAL ENTRANCE, held by UNITED MATERIALS OF GREAT FALLS, INC, holds NPDES permit MTR111819, which discharges to Missouri River Via Whitmore Ravine. EPA’s file records it issued May 11, 2026 and expiring December 31, 2027. 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.
What the register holds for MAFB COMMERCIAL ENTRANCE: its NPDES ID, its permit type and status, its dates, its address in Malmstrom Afb, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR111819.
Identity
| Facility as filed | MAFB COMMERCIAL ENTRANCE |
|---|---|
| Permittee as filed | UNITED MATERIALS OF GREAT FALLS, INC |
| NPDES ID | MTR111819 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Construction stormwater |
| Issued | May 11, 2026 |
| Expiration date | December 31, 2027 |
| Address | Malmstrom Afb, MT 59402 |
| Receiving water | Missouri River via Whitmore Ravine |
| Subwatershed | Middle Sand Coulee Creek (HUC 100301020904) |
Cited to the EPA ICIS-NPDES permit file (ECHO 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 MTR111819.
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 MTR111819.
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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MTR111819.
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How we handle your data → Privacy
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 MTR111819 there.
Nearby on the register
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- Discharge permits in Montana
- Every permit record in Montana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.