Clean Water Act discharge permit · NPDES MTPIU000P
BIG SKY BREWING, Missoula, MT: NPDES MTPIU000P discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
BIG SKY BREWING, held by Big Sky Brewing, holds NPDES permit MTPIU000P. EPA’s file records it issued March 1, 2023 and expiring July 1, 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 BIG SKY BREWING: its NPDES ID, its permit type and status, its dates, its address in Missoula, Montana. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTPIU000P.
Identity
| Facility as filed | BIG SKY BREWING |
|---|---|
| Permittee as filed | Big Sky Brewing |
| NPDES ID | MTPIU000P |
| Permit status | Effective |
| Permit type | Individual industrial user permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | March 1, 2023 |
| Expiration date | July 1, 2027 |
| Issuing agency | City Of Missoula Wwtp |
| Address | Missoula, MT 59808 |
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 MTPIU000P.
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 MTPIU000P.
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, MTPIU000P.
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- One state — $4,990/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 MTPIU000P there.
Nearby on the register
- Discharge permits in Missoula
- Every permit record in Missoula, A to Z
- Discharge permits in Montana
- Every permit record in Montana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.