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Clean Water Act discharge permit · NPDES MTR107013

WEST LAUREL INTERCHANGE, Laurel, MT: NPDES MTR107013 discharge permit, effluent exceedances, inspections, penalties

WEST LAUREL INTERCHANGE, held by RIVERSIDE CONTRACTING INC, holds NPDES permit MTR107013, which discharges to Upper Yellowstone-Lake Basin. EPA’s file records it issued August 9, 2017 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 WEST LAUREL INTERCHANGE: its NPDES ID, its permit type and status, its dates, its address in Laurel, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR107013.

Identity

Facility as filedWEST LAUREL INTERCHANGE
Permittee as filedRIVERSIDE CONTRACTING INC
NPDES IDMTR107013
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 9, 2017
Expiration dateDecember 31, 2017
Issuing agencyMT DEQ
AddressLaurel, MT 59044
Receiving waterUpper Yellowstone-Lake Basin
SubwatershedYellowstone River-Indian Creek (HUC 100700040602)

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 MTR107013.

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 MTR107013.

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, MTR107013.

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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 MTR107013 there.

Nearby on the register

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

What this page shows

The WEST LAUREL INTERCHANGE storm water construction permit, held by RIVERSIDE CONTRACTING INC, is one of 262 storm water construction permits on EPA's NPDES register in Yellowstone County, and 5.0% of those permits carry a violation on file. It has no pollutants under a numeric limit and no effluent exceedances, and it sits among 31 NPDES permits in the Yellowstone River-Indian Creek subwatershed, this one included.