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Clean Water Act discharge permit · NPDES MTR104679

DIAMOND J CONSTRUCTION - MILESTOWN ESTATES, Miles City, MT: NPDES MTR104679 discharge permit, effluent exceedances, inspections, penalties

DIAMOND J CONSTRUCTION - MILESTOWN ESTATES, held by DIAMOND J CONSTRUCTION LLC, holds NPDES permit MTR104679, which discharges to Tongue River. EPA’s file records it issued August 16, 2012 and expiring December 31, 2012. 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 DIAMOND J CONSTRUCTION - MILESTOWN ESTATES: its NPDES ID, its permit type and status, its dates, its address in Miles City, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR104679.

Identity

Facility as filedDIAMOND J CONSTRUCTION - MILESTOWN ESTATES
Permittee as filedDIAMOND J CONSTRUCTION LLC
NPDES IDMTR104679
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
ProgramConstruction stormwater
IssuedAugust 16, 2012
Expiration dateDecember 31, 2012
Issuing agencyMONTANA DEQ
AddressMiles City, MT 59301
Receiving waterTONGUE RIVER
Receiving water impaired303(D) Listed
SubwatershedTongue River-Log Creek (HUC 100901021310)

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 MTR104679.

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 MTR104679.

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, MTR104679.

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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 MTR104679 there.

Nearby on the register

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

What this page shows

The Diamond J Construction - Milestown Estates permit, held by Diamond J Construction LLC in Miles City, is one of 23 storm water construction permits in Custer County on EPA's NPDES register, and it is one of 7 NPDES permits in the Tongue River-Log Creek subwatershed. Of the 20 storm water construction permits in Custer County, 15.0% were issued before this one, and 8.7% of the 23 Custer County storm water construction permits have a violation on file, while this permit has no pollutants under a numeric limit and no effluent exceedances.