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Clean Water Act discharge permit · NPDES MTR000006

AIR LIQUIDE LARGE INDUSTRIES, East Helena, MT: NPDES MTR000006 discharge permit, effluent exceedances, inspections, penalties

AIR LIQUIDE LARGE INDUSTRIES holds NPDES permit MTR000006, which discharges to Prickly Pear Creek. EPA’s file records it issued December 3, 2001 and expiring September 30, 2006. 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 AIR LIQUIDE LARGE INDUSTRIES: its NPDES ID, its permit type and status, its dates, its address in East Helena, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR000006.

Identity

Facility as filedAIR LIQUIDE LARGE INDUSTRIES
Permittee as filedAIR LIQUIDE LARGE INDUSTRIES
NPDES IDMTR000006
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
ProgramIndustrial stormwater
IssuedDecember 3, 2001
Expiration dateSeptember 30, 2006
Issuing agencyMONTANA DEQ
AddressEast Helena, MT 59635
Receiving waterPRICKLY PEAR CREEK
SubwatershedLower Prickley Pear Gulch (HUC 100301011310)
Other EPA IDs (FRS)RCRA handler MT0000980904; ICIS-AIR source 080000003004900904

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MTR000006.

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 MTR000006.

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, MTR000006.

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How often?
  • 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 MTR000006 there.

Nearby on the register

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

What this page shows

AIR LIQUIDE LARGE INDUSTRIES holds a storm water industrial permit in East Helena, Lewis and Clark County, Montana, and it is one of 30 such permits in that county on EPA's NPDES register. Of the 79 NPDES permits in the Lower Prickley Pear Gulch subwatershed, this one is included, and 60.0% of the county's storm water industrial permits have a violation on file. The permit records zero pollutants under a numeric limit and zero pollutants with an effluent exceedance.