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Clean Water Act discharge permit · NPDES MTR106735

BUNDLED HDD PIPELINE CROSSINGS - YELLOWSTONE RIVER IN BILLINGS, Billings, MT: NPDES MTR106735 discharge permit, effluent exceedances, inspections, penalties

BUNDLED HDD PIPELINE CROSSINGS - YELLOWSTONE RIVER IN BILLINGS, held by PHILLIPS 66 PIPELINE LLC, holds NPDES permit MTR106735, which discharges to Upper Yellowstone-Lake Basin. EPA’s file records it issued December 19, 2016 and expiring December 31, 2017. 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 BUNDLED HDD PIPELINE CROSSINGS - YELLOWSTONE RIVER IN BILLINGS: its NPDES ID, its permit type and status, its dates, its address in Billings, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR106735.

Identity

Facility as filedBUNDLED HDD PIPELINE CROSSINGS - YELLOWSTONE RIVER IN BILLINGS
Permittee as filedPHILLIPS 66 PIPELINE LLC
NPDES IDMTR106735
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, 2016
Expiration dateDecember 31, 2017
Issuing agencyMT DEQ
AddressBillings, MT 59101
Receiving waterUpper Yellowstone-Lake Basin
Receiving water impaired303(D) Listed
SubwatershedYellowstone River-Billings (HUC 100700041006)

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 MTR106735.

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 MTR106735.

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, MTR106735.

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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 MTR106735 there.

Nearby on the register

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

What this page shows

The Bundled HDD Pipeline Crossings - Yellowstone River in Billings permit, held by Phillips 66 Pipeline LLC under NPDES ID MTR106735, is one of 262 storm water construction permits in Yellowstone County, where 5.0% of such permits have a violation on file. It sits in the Yellowstone River-Billings subwatershed, which contains 157 NPDES permits including this one, and it has no pollutants under a numeric limit and no effluent exceedances on record.