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Clean Water Act discharge permit · NPDES MTR109348

0.25 MILES WEST OF DENTON, Denton, MT: NPDES MTR109348 discharge permit, effluent exceedances, inspections, penalties

0.25 MILES WEST OF DENTON, held by MISSOURI RIVER CONTRACTORS, holds NPDES permit MTR109348, which discharges to Wolf Creek. EPA’s file records it issued March 11, 2022 and expiring December 31, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for 0.25 MILES WEST OF DENTON: its NPDES ID, its permit type and status, its dates, its address in Denton, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR109348.

Identity

Facility as filed0.25 MILES WEST OF DENTON
Permittee as filedMISSOURI RIVER CONTRACTORS
NPDES IDMTR109348
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
IssuedMarch 11, 2022
Expiration dateDecember 31, 2022
AddressDenton, MT 59430
Receiving waterWOLF CREEK
SubwatershedWolf Creek-Denton (HUC 100401031204)
SIC1622 – Bridge, Tunnel, & Elevated Highway

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MTR109348.

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 MTR109348.

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, MTR109348.

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How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • 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 MTR109348 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

The permit filed as 0.25 MILES WEST OF DENTON, held by MISSOURI RIVER CONTRACTORS in Denton, Fergus County, Montana, is one of 41 storm water construction permits on EPA's NPDES register in Fergus County, and 0.0% of those 41 carry a violation on file. Among the 39 storm water construction permits in Fergus County, this one included, 56.4% were issued earlier than this permit's March 11, 2022 issue date. The permit also sits among 5 NPDES permits in the Wolf Creek-Denton subwatershed, and it has no pollutants under a numeric limit and no effluent exceedances on record.