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Clean Water Act discharge permit · NPDES MTR109677

BIG SKY RESORT, Big Sky, MT: NPDES MTR109677 discharge permit, effluent exceedances, inspections, penalties

BIG SKY RESORT holds NPDES permit MTR109677, which discharges to Middle Fork West Fork Gallatin River. EPA’s file records it issued July 15, 2022 and expiring December 31, 2022. 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 BIG SKY RESORT: 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 MTR109677.

Identity

Facility as filedBIG SKY RESORT
Permittee as filedBIG SKY RESORT
NPDES IDMTR109677
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJuly 15, 2022
Expiration dateDecember 31, 2022
AddressBig Sky, MT 59716
Receiving waterMIDDLE FORK WEST FORK GALLATIN RIVER
SubwatershedWest Fork Gallatin River (HUC 100200080202)
SIC1542 – Nonresidential 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 MTR109677.

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 MTR109677.

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, MTR109677.

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  • 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 MTR109677 there.

Nearby on the register

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

What this page shows

Big Sky Resort's storm water construction permit MTR109677, issued July 15, 2022 in Big Sky, Gallatin County, Montana, is one of 600 storm water construction permits in Gallatin County on EPA's NPDES register, this one included. Among the 74 NPDES permits in the West Fork Gallatin River subwatershed, this one included, the permit records no pollutants under a numeric limit and no effluent exceedances.