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Clean Water Act discharge permit · NPDES MTR111958

MAVERIK, Hardin, MT: NPDES MTR111958 discharge permit, effluent exceedances, inspections, penalties

MAVERIK, held by K2 Civil, Inc., holds NPDES permit MTR111958, which discharges to Two Leggins Canal. EPA’s file records it issued July 24, 2026 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 MAVERIK: 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 MTR111958.

Identity

Facility as filedMAVERIK
Permittee as filedK2 Civil, Inc.
NPDES IDMTR111958
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJuly 24, 2026
Expiration dateDecember 31, 2027
AddressHardin, MT 59034
Receiving waterTWO LEGGINS CANAL
SubwatershedWhitman Creek (HUC 100800150701)

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 MTR111958.

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 MTR111958.

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, MTR111958.

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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 MTR111958 there.

Nearby on the register

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

What this page shows

The MAVERIK storm water construction permit, held by K2 Civil, Inc. in Hardin, Montana, is one of 29 such permits in Big Horn County, and none of those 29 carries a violation on file (0.0%). It also sits among five NPDES permits in the Whitman Creek subwatershed, this one included. Of the 24 storm water construction permits in Big Horn County, 95.8% were issued earlier than this one.