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Clean Water Act discharge permit · NPDES MTR110370

IIG-32808 CLYDE PARK TO BELGRADE MTR110370, Bozeman, MT: NPDES MTR110370 discharge permit, effluent exceedances, inspections, penalties

IIG-32808 CLYDE PARK TO BELGRADE MTR110370, held by Intermountain Infrastructure Group, LLC (IIG), holds NPDES permit MTR110370, which discharges to Stone Creek. EPA’s file records it issued August 10, 2023 and expiring December 31, 2027. 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 IIG-32808 CLYDE PARK TO BELGRADE MTR110370: its NPDES ID, its permit type and status, its dates, its address in Bozeman, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR110370.

Identity

Facility as filedIIG-32808 CLYDE PARK TO BELGRADE MTR110370
Permittee as filedIntermountain Infrastructure Group, LLC (IIG)
NPDES IDMTR110370
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedAugust 10, 2023
Expiration dateDecember 31, 2027
AddressBozeman, MT 59715
Receiving waterSTONE CREEK
SubwatershedUpper Bridger Creek (HUC 100200080801)

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 MTR110370.

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 MTR110370.

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, MTR110370.

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  • 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 MTR110370 there.

Nearby on the register

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

What this page shows

The Clyde Park to Belgrade storm water construction coverage held by Intermountain Infrastructure Group, LLC (IIG) is one of 7 NPDES permits in the Upper Bridger Creek subwatershed, this one included, and it sits among 600 storm water construction permits in Gallatin County on EPA's register. The permit records no pollutants under a numeric limit and no pollutants with an effluent exceedance, both counted as 0.