Clean Water Act discharge permit · NPDES MTG070658
MUNGAS COMPANY - BIG HOLE RIVER DIVERSION DAM, Philipsburg, MT: NPDES MTG070658 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 3Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MUNGAS COMPANY - BIG HOLE RIVER DIVERSION DAM, held by MUNGAS COMPANY INC, holds NPDES permit MTG070658, which discharges to Big Hole River. EPA’s file records it issued May 21, 2010 and expiring August 31, 2010. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | MUNGAS COMPANY - BIG HOLE RIVER DIVERSION DAM |
|---|---|
| Permittee as filed | MUNGAS COMPANY INC |
| NPDES ID | MTG070658 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | May 21, 2010 |
| Expiration date | August 31, 2010 |
| Issuing agency | MONTANA DEQ |
| Address | Philipsburg, MT 59858 |
| Receiving water | BIG HOLE RIVER |
| Subwatershed | Big Hole River-Dewey (HUC 100200041104) |
| SIC | 4941 – Water Supply |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 3Pollutants on file
- 3Under a numeric limit
- 3With 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 |
|---|---|---|---|---|---|
| Flow rate | 1 | 3 | 0 | ||
| Turbidity | 1 | 3 | 0 | ||
| Oil and grease visual | 1 | 3 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MTG070658.
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 MTG070658.
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 MTG070658 there.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.