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Clean Water Act discharge permit · NPDES MTR106349

EAST OF PONY AND NORTH OF HARRISON, Pony, MT: NPDES MTR106349 discharge permit, effluent exceedances, inspections, penalties

EAST OF PONY AND NORTH OF HARRISON, held by MONTANA DEPT OF TRANSPORTATION, holds NPDES permit MTR106349, which discharges to Jefferson. EPA’s file records it issued February 26, 2016 and expiring December 31, 2017. 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 EAST OF PONY AND NORTH OF HARRISON: its NPDES ID, its permit type and status, its dates, its address in Pony, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR106349.

Identity

Facility as filedEAST OF PONY AND NORTH OF HARRISON
Permittee as filedMONTANA DEPT OF TRANSPORTATION
NPDES IDMTR106349
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedFebruary 26, 2016
Expiration dateDecember 31, 2017
Issuing agencyMONTANA DEQ
AddressPony, MT 59747
Receiving waterJEFFERSON
SubwatershedNorth Fork Willow Creek (HUC 100200050702)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MTR106349.

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

EPA’s single-event violation file, as loaded, holds no violation for NPDES MTR106349.

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, MTR106349.

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How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

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 MTR106349 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

The EAST OF PONY AND NORTH OF HARRISON permit, held by MONTANA DEPT OF TRANSPORTATION, is the only NPDES permit in the North Fork Willow Creek subwatershed (HUC 100200050702), this one included. It is one of 50 storm water construction permits on EPA's NPDES register in Madison County, where 14.0% of those 50 carry a violation on file. Of all 49 storm water construction permits in Madison County (this one included), 42.9% were issued earlier than this one, and the permit has no pollutants under a numeric limit and no pollutants with an effluent exceedance.