Clean Water Act discharge permit · NPDES MTR000738
BOZEMAN YELLOWSTONE INTERNATIONAL AIRPORT, Belgrade, MT: NPDES MTR000738 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 4Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
BOZEMAN YELLOWSTONE INTERNATIONAL AIRPORT, held by Bozeman Yellowstone International Airport, holds NPDES permit MTR000738, which discharges to Thompson Creek. EPA’s file records it issued March 1, 2022 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 | BOZEMAN YELLOWSTONE INTERNATIONAL AIRPORT |
|---|---|
| Permittee as filed | Bozeman Yellowstone International Airport |
| NPDES ID | MTR000738 |
| 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 | March 1, 2022 |
| Expiration date | January 31, 2023 |
| Address | Belgrade, MT 59714 |
| Receiving water | THOMPSON CREEK |
| Subwatershed | East Gallatin River-Belgrade (HUC 100200081302) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 4Pollutants on file
- 4Under a numeric limit
- 4With 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 |
|---|---|---|---|---|---|
| pH | 4 | 8 | 0 | ||
| Solids, total suspended | 2 | 4 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 4 | 0 | ||
| Chemical Oxygen Demand [COD] | 2 | 4 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MTR000738.
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 MTR000738.
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 MTR000738 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.