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Clean Water Act discharge permit · NPDES MTR111640

LAZY DAYS, Columbia Falls, MT: NPDES MTR111640 discharge permit, effluent exceedances, inspections, penalties

LAZY DAYS, held by AMI DEVELOPMENT, holds NPDES permit MTR111640, which discharges to Flathead River. EPA’s file records it issued February 4, 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.

Identity

Facility as filedLAZY DAYS
Permittee as filedAMI DEVELOPMENT
NPDES IDMTR111640
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedFebruary 4, 2026
Expiration dateDecember 31, 2027
AddressColumbia Falls, MT 59912
Receiving waterFLATHEAD RIVER
SubwatershedFlathead River-Goodwich Bayou (HUC 170102080103)

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 MTR111640.

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

DateWhat EPA recordedAgency
July 22, 2026WW Storm Water Construction - Failure to Maintain RecordsST6
July 22, 2026WW Storm Water Construction - Failure to properly install/implement BMPsST6
July 22, 2026WW Storm Water Construction - Failure to properly operate and maintain BMPsST6

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.

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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 MTR111640 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 the Clean Water Act construction stormwater discharge permit NPDES MTR111640 for LAZY DAYS in Columbia Falls, MT, held by AMI DEVELOPMENT, which discharges to the FLATHEAD RIVER within the Flathead River-Goodwich Bayou subwatershed (HUC 170102080103). The permit is listed as Effective, issued February 4, 2026 and expiring December 31, 2027, with 0 pollutants on file, 0 under a numeric limit, 0 with a violation of any kind, and 0 with an effluent exceedance.