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Clean Water Act discharge permit · NPDES MTR108475

PERITSA CREEK - 6 MILES WEST OF HARDIN, Hardin, MT: NPDES MTR108475 discharge permit, effluent exceedances, inspections, penalties

PERITSA CREEK - 6 MILES WEST OF HARDIN, held by Montana Department of Transportation, holds NPDES permit MTR108475, which discharges to Peritsa Creek. EPA’s file records it issued June 24, 2020 and expiring December 31, 2022. 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 PERITSA CREEK - 6 MILES WEST OF HARDIN: its NPDES ID, its permit type and status, its dates, its address in Hardin, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR108475.

Identity

Facility as filedPERITSA CREEK - 6 MILES WEST OF HARDIN
Permittee as filedMontana Department of Transportation
NPDES IDMTR108475
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJune 24, 2020
Expiration dateDecember 31, 2022
AddressHardin, MT 59034
Receiving waterPERITSA CREEK
SubwatershedPeritsa Creek (HUC 100800150607)
SIC1611 – Highway And Street 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

EPA’s limits and effluent violation files hold no pollutant row for NPDES MTR108475.

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 MTR108475.

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, MTR108475.

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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 MTR108475 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers NPDES permit MTR108475, held by Montana Department of Transportation for PERITSA CREEK - 6 MILES WEST OF HARDIN, which discharges to Peritsa Creek and is listed as a minor discharger under a construction stormwater program with an Effective status. The permit's issued date is June 24, 2020 and its expiration date is December 31, 2022, and the page lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.