Clean Water Act discharge permit · NPDES MTG010339
TWIN HILLS COLONY, Carter, MT: NPDES MTG010339 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
TWIN HILLS COLONY, held by TWIN HILLS COLONY INC, holds NPDES permit MTG010339, which discharges to Dugout Coulee. EPA’s file records it issued April 16, 2025 and expiring October 31, 2028. 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 HILLS COLONY: its NPDES ID, its permit type and status, its dates, its address in Carter, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTG010339.
Identity
| Facility as filed | TWIN HILLS COLONY |
|---|---|
| Permittee as filed | TWIN HILLS COLONY INC |
| NPDES ID | MTG010339 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Concentrated animal feeding operations |
| Issued | April 16, 2025 |
| Expiration date | October 31, 2028 |
| Address | Carter, MT 59420 |
| Receiving water | DUGOUT COULEE |
| Subwatershed | Upper Dugout Coulee (HUC 100302031502) |
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 MTG010339.
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 MTG010339.
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.
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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 MTG010339 there.
Nearby on the register
- Discharge permits in Carter
- Every permit record in Carter, 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.