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Clean Water Act discharge permit · NPDES MTR109696

LOT 307 YELLOWSTONE MOUNTAIN CLUB PHASE 3 (EDIT), Big Sky, MT: NPDES MTR109696 discharge permit, effluent exceedances, inspections, penalties

LOT 307 YELLOWSTONE MOUNTAIN CLUB PHASE 3 (EDIT), held by YELLOWSTONE DEVELOPMENT LLC, holds NPDES permit MTR109696, which discharges to South Fork West Fork Gallatin River. 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 LOT 307 YELLOWSTONE MOUNTAIN CLUB PHASE 3 (EDIT): its NPDES ID, its permit type and status, its its address in Big Sky, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR109696.

Identity

Facility as filedLOT 307 YELLOWSTONE MOUNTAIN CLUB PHASE 3 (EDIT)
Permittee as filedYELLOWSTONE DEVELOPMENT LLC
NPDES IDMTR109696
Permit statusNot needed
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
AddressBig Sky, MT 59716
Receiving waterSOUTH FORK WEST FORK GALLATIN RIVER
Receiving water impaired303(D) Listed
SubwatershedSouth Fork West Fork Gallatin River (HUC 100200080201)

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 MTR109696.

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 MTR109696.

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, MTR109696.

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  • 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 MTR109696 there.

Nearby on the register

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

What this page shows

The permit under LOT 307 YELLOWSTONE MOUNTAIN CLUB PHASE 3 (EDIT), held by YELLOWSTONE DEVELOPMENT LLC in Big Sky, Gallatin County, Montana, is one of 600 storm water construction permits on EPA's NPDES register in Gallatin County. It also sits among 125 NPDES permits in the South Fork West Fork Gallatin River subwatershed, and 6.0% of the Gallatin County storm water construction permits carry a violation on file. This coverage has no pollutants under a numeric limit and no effluent exceedances recorded against it.