Clean Water Act discharge permit · NPDES MTB000712

EXXONMOBIL PIPELINE - YELLOWSTONE RIVER 318, Laurel, MT: NPDES MTB000712 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

EXXONMOBIL PIPELINE - YELLOWSTONE RIVER 318, held by EXXONMOBIL PIPELINE COMPANY, holds NPDES permit MTB000712, which discharges to Yellowstone River. EPA’s file records it issued August 2, 1011 and expiring August 16, 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 EXXONMOBIL PIPELINE - YELLOWSTONE RIVER 318: its NPDES ID, its permit type and status, its dates, its address in Laurel, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTB000712.

Identity

Facility as filed	EXXONMOBIL PIPELINE - YELLOWSTONE RIVER 318
Permittee as filed	EXXONMOBIL PIPELINE COMPANY
NPDES ID	MTB000712
Permit status	Effective
Permit type	State-issued individual permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	August 2, 1011
Expiration date	August 16, 2012
Issuing agency	MONTANA DEQ
Address	Laurel, MT 59044
Receiving water	YELLOWSTONE RIVER
Receiving water impaired	303(D) Listed
Subwatershed	Yellowstone River-Indian Creek (HUC 100700040602)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES MTB000712.

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MTB000712.

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, MTB000712.

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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 MTB000712 there.

Nearby on the register

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

Of the 7 state-issued individual permits in Yellowstone County, 0.0% were issued before EXXONMOBIL PIPELINE - YELLOWSTONE RIVER 318 in Laurel, and that permit is counted among the 7. Yellowstone County has 14 state-issued individual permits on EPA's NPDES register, including this permit. The Yellowstone River-Indian Creek subwatershed contains 31 NPDES permits, and 42.9% of those 14 state-issued individual permits in Yellowstone County have a violation on file.