Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES MTB006114

YELLOWSTONE PIPE LINE CO - SWEET GRASS CREEK, Big Timber, MT: NPDES MTB006114 discharge permit, effluent exceedances, inspections, penalties

YELLOWSTONE PIPE LINE CO - SWEET GRASS CREEK, held by YELLOWSTONE PIPE LINE CO, holds NPDES permit MTB006114, which discharges to Sweet Grass Creek. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for YELLOWSTONE PIPE LINE CO - SWEET GRASS CREEK: its NPDES ID, its permit type and status, its its address in Big Timber, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTB006114.

Identity

Facility as filedYELLOWSTONE PIPE LINE CO - SWEET GRASS CREEK
Permittee as filedYELLOWSTONE PIPE LINE CO
NPDES IDMTB006114
Permit statusNot needed
Permit typeState-issued individual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
Issuing agencyMONTANA DEQ
AddressBig Timber, MT 59011
Receiving waterSWEET GRASS CREEK
SubwatershedSweet Grass Creek-Crest Creek (HUC 100700021306)
SIC1629 – Heavy Construction

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MTB006114.

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 MTB006114.

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, MTB006114.

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 MTB006114 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers NPDES permit MTB006114, held by YELLOWSTONE PIPE LINE CO for its facility YELLOWSTONE PIPE LINE CO - SWEET GRASS CREEK, which discharges to Sweet Grass Creek in Big Timber, MT. The page lists a permit status of Not needed, a discharger class of 0, 0 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance. The subwatershed is listed as Sweet Grass Creek-Crest Creek (HUC 100700021306).