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Clean Water Act discharge permit · NPDES MTG071341

GLACIER PIPELINE ANOMALY MP152.5, Raynesford, MT: NPDES MTG071341 discharge permit, effluent exceedances, inspections, penalties

GLACIER PIPELINE ANOMALY MP152.5, held by PHILLIPS 66 PIPELINE LLC, holds NPDES permit MTG071341, which discharges to Williams Creek. EPA’s file records it issued February 5, 2025 and expiring February 28, 2025. 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 GLACIER PIPELINE ANOMALY MP152.5: its NPDES ID, its permit type and status, its dates, its address in Raynesford, Montana, its receiving water, and 5 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTG071341.

Identity

Facility as filedGLACIER PIPELINE ANOMALY MP152.5
Permittee as filedPHILLIPS 66 PIPELINE LLC
NPDES IDMTG071341
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
IssuedFebruary 5, 2025
Expiration dateFebruary 28, 2025
AddressRaynesford, MT 59469
Receiving waterWILLIAMS CREEK
SubwatershedWilliams Creek (HUC 100301050202)

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
Turbidity500
Oil & Grease100
Flowing, Receiving Stream100
Oil and grease visual100
Outfall observation,visual, y/n response100

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MTG071341.

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 MTG071341.

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.

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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 MTG071341 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 Clean Water Act discharge permit NPDES MTG071341 for GLACIER PIPELINE ANOMALY MP152.5 in Raynesford, Montana, held by PHILLIPS 66 PIPELINE LLC and discharging to Williams Creek. The permit is administratively continued, is classed as a Minor Discharger class 5, and lists 5 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.