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Clean Water Act discharge permit · NPDES MTG071346

BIG SKY GONDOLA BOTTOM STATION CONSTRUCTION, Big Sky, MT: NPDES MTG071346 discharge permit, effluent exceedances, inspections, penalties

BIG SKY GONDOLA BOTTOM STATION CONSTRUCTION, held by JACKSON CONTRACTOR GROUP INC, holds NPDES permit MTG071346, which discharges to Lake Levinsky. EPA’s file records it issued February 26, 2025 and expiring February 28, 2025. 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 GONDOLA BOTTOM STATION CONSTRUCTION: its NPDES ID, its permit type and status, its dates, its address in Big Sky, Montana, its receiving water, and 4 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTG071346.

Identity

Facility as filedBIG SKY GONDOLA BOTTOM STATION CONSTRUCTION
Permittee as filedJACKSON CONTRACTOR GROUP INC
NPDES IDMTG071346
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedFebruary 26, 2025
Expiration dateFebruary 28, 2025
AddressBig Sky, MT 59716
Receiving waterLAKE LEVINSKY
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

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Turbidity200
Oil & Grease100
Oil and grease visual100
Outfall observation,visual, y/n response100

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MTG071346.

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 MTG071346.

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.

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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 MTG071346 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 Clean Water Act discharge permit NPDES MTG071346 for BIG SKY GONDOLA BOTTOM STATION CONSTRUCTION in Big Sky, Montana, held by JACKSON CONTRACTOR GROUP INC and discharging to Lake Levinsky. The page lists a Minor Discharger class 4, 4 pollutants under a numeric limit, and 0 pollutants with an effluent exceedance.