Clean Water Act discharge permit · NPDES MTR107011
COLUMBUS AIRPORT - AIRFIELD PAVEMENT RECONSTRUCTION & ELECTRICAL REHAB, Columbus, MT: NPDES MTR107011 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
COLUMBUS AIRPORT - AIRFIELD PAVEMENT RECONSTRUCTION & ELECTRICAL REHAB, held by KNIFE RIVER BILLINGS, holds NPDES permit MTR107011, which discharges to Upper Yellowstone-Lake Basin. EPA’s file records it issued August 7, 2017 and expiring December 31, 2017. 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 COLUMBUS AIRPORT - AIRFIELD PAVEMENT RECONSTRUCTION & ELECTRICAL REHAB: its NPDES ID, its permit type and status, its dates, its address in Columbus, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR107011.
Identity
| Facility as filed | COLUMBUS AIRPORT - AIRFIELD PAVEMENT RECONSTRUCTION & ELECTRICAL REHAB |
|---|---|
| Permittee as filed | KNIFE RIVER BILLINGS |
| NPDES ID | MTR107011 |
| 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 | Construction stormwater |
| Issued | August 7, 2017 |
| Expiration date | December 31, 2017 |
| Issuing agency | MT DEQ |
| Address | Columbus, MT 59019 |
| Receiving water | Upper Yellowstone-Lake Basin |
| Subwatershed | Yellowstone River-Bearpaw Creek (HUC 100700040401) |
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 MTR107011.
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 MTR107011.
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, MTR107011.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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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 MTR107011 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.