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Clean Water Act discharge permit · NPDES MTR111053

WEST POST SUBDIVISION - BLOCK 2 - LOT 2111053, Belgrade, MT: NPDES MTR111053 discharge permit, effluent exceedances, inspections, penalties

WEST POST SUBDIVISION - BLOCK 2 - LOT 2111053, held by Seven Ox Seven, holds NPDES permit MTR111053, which discharges to Mammoth Ditch. EPA’s file records it issued December 4, 2024 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 WEST POST SUBDIVISION - BLOCK 2 - LOT 2111053: its NPDES ID, its permit type and status, its dates, its address in Belgrade, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR111053.

Identity

Facility as filedWEST POST SUBDIVISION - BLOCK 2 - LOT 2111053
Permittee as filedSeven Ox Seven
NPDES IDMTR111053
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedDecember 4, 2024
Expiration dateDecember 31, 2027
AddressBelgrade, MT 59714
Receiving waterMAMMOTH DITCH
SubwatershedEast Gallatin River-Belgrade (HUC 100200081302)

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 MTR111053.

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 MTR111053.

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, MTR111053.

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  • One permit holder — $99/month
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  • One state — $4,990/year
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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 MTR111053 there.

Nearby on the register

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

What this page shows

The WEST POST SUBDIVISION - BLOCK 2 - LOT 2111053 permit is one of 600 storm water construction permits in Gallatin County, and about 6.0% of those 600 carry a violation on file. Of the 579 storm water construction permits in Gallatin County, 78.4% were issued earlier than this one. The permit also has no pollutants under a numeric limit and no pollutants with an effluent exceedance on record.