Clean Water Act discharge permit · NPDES MTG370464
RAINBOW LAKE, Darby, MT: NPDES MTG370464 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
RAINBOW LAKE, held by Keith Miner, holds NPDES permit MTG370464, which discharges to Rainbow Lake. EPA’s file records it issued May 11, 2026 and expiring July 31, 2029. 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 RAINBOW LAKE: its NPDES ID, its permit type and status, its dates, its address in Darby, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTG370464.
Identity
| Facility as filed | RAINBOW LAKE |
|---|---|
| Permittee as filed | Keith Miner |
| NPDES ID | MTG370464 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | May 11, 2026 |
| Expiration date | July 31, 2029 |
| Address | Darby, MT 59829 |
| Receiving water | RAINBOW LAKE |
| Subwatershed | Gold Creek (HUC 170102010806) |
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 MTG370464.
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 MTG370464.
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 MTG370464 there.
Nearby on the register
- Discharge permits in Darby
- Every permit record in Darby, 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.