Clean Water Act discharge permit · NPDES MTR040009
MONTANA DEPARTMENT OF TRANSPORTATION - HELENA SMALL MS4, Helena, MT: NPDES MTR040009 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MONTANA DEPARTMENT OF TRANSPORTATION - HELENA SMALL MS4, held by MONTANA DEPARTMENT OF TRANSPORTATION, holds NPDES permit MTR040009, which discharges to Little Prickly Pear And Tenmile Creeks. EPA’s file records it issued July 17, 2006 and expiring December 31, 2009. 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 MONTANA DEPARTMENT OF TRANSPORTATION - HELENA SMALL MS4: its NPDES ID, its permit type and status, its dates, its address in Helena, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR040009.
Identity
| Facility as filed | MONTANA DEPARTMENT OF TRANSPORTATION - HELENA SMALL MS4 |
|---|---|
| Permittee as filed | MONTANA DEPARTMENT OF TRANSPORTATION |
| NPDES ID | MTR040009 |
| 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 | Small municipal storm sewer systems |
| Issued | July 17, 2006 |
| Expiration date | December 31, 2009 |
| Issuing agency | MONTANA DEQ |
| Address | Helena, MT 59601 |
| Receiving water | LITTLE PRICKLY PEAR AND TENMILE CREEKS |
| Subwatershed | Lower Prickley Pear Gulch (HUC 100301011310) |
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 MTR040009.
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 MTR040009.
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, MTR040009.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/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 MTR040009 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.