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Clean Water Act discharge permit · NPDES MTG870020

HELI WORKS FLIGHT SERVICE, Deer Lodge, MT: NPDES MTG870020 discharge permit, effluent exceedances, inspections, penalties

HELI WORKS FLIGHT SERVICE holds NPDES permit MTG870020, which discharges to Multiple Counties. EPA’s file records it issued November 1, 2016 and expiring October 31, 2021. 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 HELI WORKS FLIGHT SERVICE: its NPDES ID, its permit type and status, its dates, its address in Deer Lodge, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTG870020.

Identity

Facility as filedHELI WORKS FLIGHT SERVICE
Permittee as filedHELI WORKS FLIGHT SERVICE
NPDES IDMTG870020
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
IssuedNovember 1, 2016
Expiration dateOctober 31, 2021
AddressDeer Lodge, MT 59722
Receiving waterMULTIPLE COUNTIES
SubwatershedLast Chance Gulch (HUC 100301011309)

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 MTG870020.

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 MTG870020.

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, MTG870020.

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  • One permit holder — $99/month
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  • 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 MTG870020 there.

Nearby on the register

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

What this page shows

HELI WORKS FLIGHT SERVICE holds one of 5 general permit coverages in Powell County on EPA's NPDES register, and 0.0% of those coverages carry a violation on file. The permit sits within the Last Chance Gulch subwatershed, which contains 50 NPDES permits, this one included. The permit records 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.