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Clean Water Act discharge permit · NPDES MTR000879

LEAD PENNY, Missoula, MT: NPDES MTR000879 discharge permit, effluent exceedances, inspections, penalties

LEAD PENNY, held by JTL GROUP INC DBA KNIFE RIVER MISSOULA, holds NPDES permit MTR000879, which discharges to Clark Fork. EPA’s file records it issued April 14, 2025 and expiring January 31, 2028. 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 LEAD PENNY: its NPDES ID, its permit type and status, its dates, its address in Missoula, Montana, its receiving water, and 2 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR000879.

Identity

Facility as filedLEAD PENNY
Permittee as filedJTL GROUP INC DBA KNIFE RIVER MISSOULA
NPDES IDMTR000879
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedApril 14, 2025
Expiration dateJanuary 31, 2028
AddressMissoula, MT 59808
Receiving waterCLARK FORK
SubwatershedClark Fork River-Marshall Creek (HUC 170102040104)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Solids, total suspended200
Nitrite + Nitrate total [as N]100

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MTR000879.

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 MTR000879.

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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How we handle your data → Privacy

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 MTR000879 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 MTR000879, held by JTL GROUP INC DBA KNIFE RIVER MISSOULA for the facility LEAD PENNY, which discharges to the Clark Fork and carries the status Effective as of September 15, 2026. The register lists 2 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, with the permit issued April 14, 2025 and expiring January 31, 2028.