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Clean Water Act discharge permit · NPDES MTR111408

CORWIN RECON SHOP, Kalispell, MT: NPDES MTR111408 discharge permit, effluent exceedances, inspections, penalties

CORWIN RECON SHOP, held by BuildPact Construction, holds NPDES permit MTR111408, which discharges to Stillwater River. EPA’s file records it issued June 27, 2025 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 CORWIN RECON SHOP: its NPDES ID, its permit type and status, its dates, its address in Kalispell, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR111408.

Identity

Facility as filedCORWIN RECON SHOP
Permittee as filedBuildPact Construction
NPDES IDMTR111408
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJune 27, 2025
Expiration dateDecember 31, 2027
AddressKalispell, MT 59901
Receiving waterSTILLWATER RIVER
SubwatershedStillwater River-Beaver Creek (HUC 170102100403)

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 MTR111408.

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 MTR111408.

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, MTR111408.

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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 MTR111408 there.

Nearby on the register

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

What this page shows

This public-records page covers NPDES permit MTR111408, held by BuildPact Construction for CORWIN RECON SHOP in Kalispell, MT, which discharges to the STILLWATER RIVER and carries a Minor discharger class with an Effective status. The page lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and records that the permit was issued June 27, 2025 and expires December 31, 2027.