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Clean Water Act discharge permit · NPDES MTR105193

RED HORSE AIRFIELDS TRAINING SITE, Great Falls, MT: NPDES MTR105193 discharge permit, effluent exceedances, inspections, penalties

RED HORSE AIRFIELDS TRAINING SITE, held by 819 RED HORSE SQUADRON, holds NPDES permit MTR105193, which discharges to Grass-Lined Ditch. EPA’s file records it issued August 27, 2013 and expiring December 31, 2017. 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 RED HORSE AIRFIELDS TRAINING SITE: its NPDES ID, its permit type and status, its dates, its address in Great Falls, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR105193.

Identity

Facility as filedRED HORSE AIRFIELDS TRAINING SITE
Permittee as filed819 RED HORSE SQUADRON
NPDES IDMTR105193
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeFederal facility
ProgramConstruction stormwater
IssuedAugust 27, 2013
Expiration dateDecember 31, 2017
Issuing agencyMONTANA DEQ
AddressGreat Falls, MT 59402
Receiving waterGRASS-LINED DITCH
SubwatershedMissouri River-Rainbow Dam (HUC 100301021204)

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 MTR105193.

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 MTR105193.

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, MTR105193.

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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 MTR105193 there.

Nearby on the register

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

What this page shows

Violations are on file for 6.8% of the 132 storm water construction permits in Cascade County, and RED HORSE AIRFIELDS TRAINING SITE is counted in that group. The Missouri River-Rainbow Dam subwatershed registers 32 NPDES permits, counting this filing. Of the 128 storm water construction permits in Cascade County, this filing included, 22.7% were issued before it.