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Clean Water Act discharge permit · NPDES MTR104779

CENTRAL PLUMBING & HEATING - RAINBOW DAM, Great Falls, MT: NPDES MTR104779 discharge permit, effluent exceedances, inspections, penalties

CENTRAL PLUMBING & HEATING - RAINBOW DAM, held by PPL MONTANA LLC, holds NPDES permit MTR104779, which discharges to Missouri River. EPA’s file records it issued December 19, 2012 and expiring December 31, 2012. 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 CENTRAL PLUMBING & HEATING - RAINBOW DAM: its NPDES ID, its permit type and status, its dates, its address in Great Falls, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR104779.

Identity

Facility as filedCENTRAL PLUMBING & HEATING - RAINBOW DAM
Permittee as filedPPL MONTANA LLC
NPDES IDMTR104779
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
IssuedDecember 19, 2012
Expiration dateDecember 31, 2012
Issuing agencyMONTANA DEQ
AddressGreat Falls, MT 59404
Receiving waterMISSOURI RIVER
SubwatershedMissouri River-Rainbow Dam (HUC 100301021204)

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 MTR104779.

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 MTR104779.

Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MTR104779.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

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 MTR104779 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.