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Clean Water Act discharge permit · NPDES MTR111781

BSV2 LODGSIDE, Big Sky, MT: NPDES MTR111781 discharge permit, effluent exceedances, inspections, penalties

BSV2 LODGSIDE, held by YELLOWSTONE DEVELOPMENT LLC, holds NPDES permit MTR111781, which discharges to South Fork West Fork Gallatin River. EPA’s file records it issued April 13, 2026 and expiring December 31, 2027. 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 BSV2 LODGSIDE: its NPDES ID, its permit type and status, its dates, 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 MTR111781.

Identity

Facility as filedBSV2 LODGSIDE
Permittee as filedYELLOWSTONE DEVELOPMENT LLC
NPDES IDMTR111781
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedApril 13, 2026
Expiration dateDecember 31, 2027
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 MTR111781.

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 MTR111781.

Inspections

EPA’s inspection file holds no inspection for NPDES MTR111781.

Formal enforcement and penalties

0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.

Informal enforcement

EPA’s informal enforcement file holds no action for NPDES MTR111781.

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, MTR111781.

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How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
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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 MTR111781 there.

Nearby on the register

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

What this page shows

The BSV2 LODGSIDE permit is one of 600 storm water construction permits in Gallatin County, and its issue date is earlier than that of 91.9% of the 579 storm water construction permits in the county. It also sits within the South Fork West Fork Gallatin River subwatershed, which holds 125 NPDES permits including this one, and it records no pollutants under a numeric limit or with an effluent exceedance.