Clean Water Act discharge permit · NPDES MTR112032
BILLINGS AIRPORT POND E EXPANSION, Billings, MT: NPDES MTR112032 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
BILLINGS AIRPORT POND E EXPANSION, held by K2 Civil, Inc., holds NPDES permit MTR112032, which discharges to Alkali Creek. EPA’s file records it issued September 9, 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 BILLINGS AIRPORT POND E EXPANSION: its NPDES ID, its permit type and status, its dates, its address in Billings, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR112032.
Identity
| Facility as filed | BILLINGS AIRPORT POND E EXPANSION |
|---|---|
| Permittee as filed | K2 Civil, Inc. |
| NPDES ID | MTR112032 |
| 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 | September 9, 2026 |
| Expiration date | December 31, 2027 |
| Address | Billings, MT 59105 |
| Receiving water | ALKALI CREEK |
| Subwatershed | Alkali Creek (HUC 100700041005) |
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 MTR112032.
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 MTR112032.
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 MTR112032 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.