Clean Water Act discharge permit · NPDES MTR111502
ARGENTA EXPLORATION PROJECT, Dillon, MT: NPDES MTR111502 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
ARGENTA EXPLORATION PROJECT, held by Barrick Gold Exploration. Inc, holds NPDES permit MTR111502, which discharges to Rattlesnake Creek. EPA’s file records it issued October 1, 2025 and expiring December 31, 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 ARGENTA EXPLORATION PROJECT: its NPDES ID, its permit type and status, its dates, its address in Dillon, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR111502.
Identity
| Facility as filed | ARGENTA EXPLORATION PROJECT |
|---|---|
| Permittee as filed | Barrick Gold Exploration. Inc |
| NPDES ID | MTR111502 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Construction stormwater |
| Issued | October 1, 2025 |
| Expiration date | December 31, 2027 |
| Address | Dillon, MT 59725 |
| Receiving water | RATTLESNAKE CREEK |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Ermont Gulch (HUC 100200020203) |
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 MTR111502.
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 MTR111502.
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, MTR111502.
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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 MTR111502 there.
Nearby on the register
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- Every permit record in Montana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.