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Clean Water Act discharge permit · NPDES MTR111108

HOBSON WASTEWATER SYSTEM REHABILITATION, Hobson, MT: NPDES MTR111108 discharge permit, effluent exceedances, inspections, penalties

HOBSON WASTEWATER SYSTEM REHABILITATION, held by WESTERN MUNICIPAL CONSTRUCTION INC, holds NPDES permit MTR111108, which discharges to Judith River. EPA’s file records it issued February 14, 2025 and expiring December 31, 2027. 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.

Identity

Facility as filedHOBSON WASTEWATER SYSTEM REHABILITATION
Permittee as filedWESTERN MUNICIPAL CONSTRUCTION INC
NPDES IDMTR111108
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedFebruary 14, 2025
Expiration dateDecember 31, 2027
AddressHobson, MT 59452
Receiving waterJUDITH RIVER
SubwatershedJudith River-Hobson (HUC 100401030509)
SIC1623 – Water, Sewer, And Utility Lines

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 MTR111108.

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 15, 2025WW Storm Water Construction - Failure to Conduct InspectionsST6
October 15, 2025WW Storm Water Construction - Failure to Maintain RecordsST6
October 15, 2025WW Storm Water Construction - Failure to properly install/implement BMPsST6
October 15, 2025WW 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 MTR111108 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 Clean Water Act NPDES permit MTR111108 for HOBSON WASTEWATER SYSTEM REHABILITATION in Hobson, MT, held by WESTERN MUNICIPAL CONSTRUCTION INC, which discharges to the JUDITH RIVER within the Judith River-Hobson subwatershed (HUC 100401030509). The facts list the permit as Effective, a Minor discharger class, issued February 14, 2025, and expiring December 31, 2027, with 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.