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Clean Water Act discharge permit · NPDES MTR000462

PPL MONTANA J.E. CORETTE STEAM ELECTRIC STATION, Billings, MT: NPDES MTR000462 discharge permit, effluent exceedances, inspections, penalties

PPL MONTANA J.E. CORETTE STEAM ELECTRIC STATION, held by PPL MONTANA LLC, holds NPDES permit MTR000462, which discharges to Yellowstone River Via Borrow Pit. 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 PPL MONTANA J.E. CORETTE STEAM ELECTRIC STATION: its NPDES ID, its permit type and status, its its address in Billings, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR000462.

Identity

Facility as filedPPL MONTANA J.E. CORETTE STEAM ELECTRIC STATION
Permittee as filedPPL MONTANA LLC
NPDES IDMTR000462
Permit statusNot needed
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
Issuing agencyMONTANA DEQ
AddressBillings, MT 59101
Receiving waterYELLOWSTONE RIVER VIA BORROW PIT
Receiving water impaired303(D) Listed
SubwatershedYellowstone River-Billings (HUC 100700041006)
Other EPA IDs (FRS)RCRA handler MTD000818112

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MTR000462.

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 MTR000462.

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

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, MTR000462.

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  • 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 MTR000462 there.

Nearby on the register

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

What this page shows

The PPL MONTANA J.E. CORETTE STEAM ELECTRIC STATION is one of 36 general permit coverages in Yellowstone County, where 41.7% of such coverages have a violation on file. It sits among 157 NPDES permits in the Yellowstone River-Billings subwatershed, and it has 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.