Clean Water Act discharge permit · NPDES MTR104434
TRIANGLE USA PETROLEUM - RODNEY SVEET 21-28H, Dagmar, MT: NPDES MTR104434 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
TRIANGLE USA PETROLEUM - RODNEY SVEET 21-28H, held by MARATHON OIL COMPANY, holds NPDES permit MTR104434, which discharges to Trib To Seasonal Wetlands. EPA’s file records it issued February 15, 2012 and expiring December 31, 2012. 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.
What the register holds for TRIANGLE USA PETROLEUM - RODNEY SVEET 21-28H: its NPDES ID, its permit type and status, its dates, its address in Dagmar, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR104434.
Identity
| Facility as filed | TRIANGLE USA PETROLEUM - RODNEY SVEET 21-28H |
|---|---|
| Permittee as filed | MARATHON OIL COMPANY |
| NPDES ID | MTR104434 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Construction stormwater |
| Issued | February 15, 2012 |
| Expiration date | December 31, 2012 |
| Issuing agency | MONTANA DEQ |
| Address | Dagmar, MT 59219 |
| Receiving water | TRIB TO SEASONAL WETLANDS |
| Subwatershed | Brush Mountain Creek (HUC 100600061303) |
| SIC | 1629 – Heavy Construction |
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
- 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 MTR104434.
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 MTR104434.
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, MTR104434.
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- One watershed — $2,990/year
- One state — $4,990/year
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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 MTR104434 there.
Nearby on the register
- Discharge permits in Dagmar
- Every permit record in Dagmar, A to Z
- Discharge permits in Montana
- Every permit record in Montana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.