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Clean Water Act discharge permit · NPDES MTPU00119

CONOCOPHILLIPS BILLINGS REFINERY, Billings, MT: NPDES MTPU00119 discharge permit, effluent exceedances, inspections, penalties

CONOCOPHILLIPS BILLINGS REFINERY, held by Phillips 66 Billings Refinery, holds NPDES permit MTPU00119. 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 CONOCOPHILLIPS BILLINGS REFINERY: its NPDES ID, its permit type and status, its its address in Billings, Montana. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTPU00119.

Identity

Facility as filedCONOCOPHILLIPS BILLINGS REFINERY
Permittee as filedPhillips 66 Billings Refinery
NPDES IDMTPU00119
Permit statusPending
Permit typeIndividual industrial user permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
AddressBillings, MT 59101

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 MTPU00119.

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 MTPU00119.

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, MTPU00119.

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 MTPU00119 there.

Nearby on the register

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