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Clean Water Act discharge permit · NPDES MTR106414

LEWISTOWN-WEST, MDOT PROJECT ID NH57-3(36)79, Lewistown, MT: NPDES MTR106414 discharge permit, effluent exceedances, inspections, penalties

LEWISTOWN-WEST, MDOT PROJECT ID NH57-3(36)79, held by CENTURY COMPANIES INC, holds NPDES permit MTR106414, which discharges to Judith. EPA’s file records it issued April 15, 2016 and expiring December 31, 2017. 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 LEWISTOWN-WEST, MDOT PROJECT ID NH57-3(36)79: its NPDES ID, its permit type and status, its dates, its address in Lewistown, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR106414.

Identity

Facility as filedLEWISTOWN-WEST, MDOT PROJECT ID NH57-3(36)79
Permittee as filedCENTURY COMPANIES INC
NPDES IDMTR106414
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedApril 15, 2016
Expiration dateDecember 31, 2017
Issuing agencyMONTANA DEQ
AddressLewistown, MT 59457
Receiving waterJUDITH
SubwatershedMiddle Big Spring Creek (HUC 100401030706)

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 MTR106414.

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 MTR106414.

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 MTR106414 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 Clean Water Act NPDES permit MTR106414 for the LEWISTOWN-WEST, MDOT PROJECT ID NH57-3(36)79 facility in Lewistown, Montana, held by CENTURY COMPANIES INC, with the permit administratively continued and classed as a minor discharger. The page lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and it reports no violation for the permit in EPA's effluent or single-event violation files.