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Clean Water Act discharge permit · NPDES MTR111720

BIG SPRING WATER FACILITY, Lewistown, MT: NPDES MTR111720 discharge permit, effluent exceedances, inspections, penalties

BIG SPRING WATER FACILITY, held by CENTURY COMPANIES INC, holds NPDES permit MTR111720, which discharges to Breed Creek. EPA’s file records it issued March 23, 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.

What the register holds for BIG SPRING WATER FACILITY: 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 MTR111720.

Identity

Facility as filedBIG SPRING WATER FACILITY
Permittee as filedCENTURY COMPANIES INC
NPDES IDMTR111720
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedMarch 23, 2026
Expiration dateDecember 31, 2027
AddressLewistown, MT 59457
Receiving waterBREED CREEK
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 MTR111720.

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 MTR111720.

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

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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 MTR111720 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 MTR111720 for BIG SPRING WATER FACILITY in Lewistown, Montana, held by CENTURY COMPANIES INC, with a status of Effective and a discharger class of Minor. The page lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and it records no effluent or single-event violation for this permit.