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Clean Water Act discharge permit · NPDES MTR110675

WEST END HOMES SUBDIVISION PHASE 1, Missoula, MT: NPDES MTR110675 discharge permit, effluent exceedances, inspections, penalties

WEST END HOMES SUBDIVISION PHASE 1, held by Northwest Community Builders, holds NPDES permit MTR110675, which discharges to Grant Creek. EPA’s file records it issued March 21, 2024 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 filedWEST END HOMES SUBDIVISION PHASE 1
Permittee as filedNorthwest Community Builders
NPDES IDMTR110675
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedMarch 21, 2024
Expiration dateDecember 31, 2027
AddressMissoula, MT 59808
Receiving waterGRANT CREEK
SubwatershedClark Fork River-Marshall Creek (HUC 170102040104)

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 MTR110675.

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
October 31, 2025WW Storm Water Construction - Failure to Maintain RecordsST6
October 31, 2025WW Storm Water Construction - Failure to properly operate and maintain BMPsST6
October 31, 2025WW Storm Water Construction - Failure to properly install/implement 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 MTR110675 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 MTR110675 for West End Homes Subdivision Phase 1 in Missoula, MT, held by Northwest Community Builders, which discharges to Grant Creek under a construction stormwater program with an effective status and an issued date of March 21, 2024, expiring December 31, 2027. The page lists 0 pollutants on file, 0 under a numeric limit, 0 with a violation of any kind, and 0 with an effluent exceedance, all as of the September 15, 2026 loading date.