Clean Water Act discharge permit · NPDES MTG071403
TWIN BRIDGES MUNICIPAL WELLS #1 AND #2, Twin Bridges, MT: NPDES MTG071403 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
TWIN BRIDGES MUNICIPAL WELLS #1 AND #2, held by TOWN OF TWIN BRIDGES, holds NPDES permit MTG071403, which discharges to Unknown. EPA’s file records it issued November 21, 2025 and expiring April 30, 2030. 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 TWIN BRIDGES MUNICIPAL WELLS #1 AND #2: its NPDES ID, its permit type and status, its dates, its address in Twin Bridges, Montana, its receiving water, and 6 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTG071403.
Identity
| Facility as filed | TWIN BRIDGES MUNICIPAL WELLS #1 AND #2 |
|---|---|
| Permittee as filed | TOWN OF TWIN BRIDGES |
| NPDES ID | MTG071403 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | November 21, 2025 |
| Expiration date | April 30, 2030 |
| Address | Twin Bridges, MT 59754 |
| Receiving water | UNKNOWN |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Beaverhead River-Twin Bridges (HUC 100200020706) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 6Pollutants on file
- 6Under a numeric limit
- 0With 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 |
|---|---|---|---|---|---|
| Turbidity | 2 | 0 | 0 | ||
| Oil & Grease | 1 | 0 | 0 | ||
| Duration | 1 | 0 | 0 | ||
| Flowing, Receiving Stream | 1 | 0 | 0 | ||
| Oil and grease visual | 1 | 0 | 0 | ||
| Outfall observation,visual, y/n response | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MTG071403.
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 MTG071403.
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, MTG071403.
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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 MTG071403 there.
Nearby on the register
- Discharge permits in Twin Bridges
- Every permit record in Twin Bridges, 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.