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Clean Water Act discharge permit · NPDES MTR109707

COLUMBUS WATER DISTRIBUTION SYSTEM IMPROVEMENTS, Columbus, MT: NPDES MTR109707 discharge permit, effluent exceedances, inspections, penalties

COLUMBUS WATER DISTRIBUTION SYSTEM IMPROVEMENTS, held by COP CONSTRUCTION LLC, holds NPDES permit MTR109707, which discharges to Yellowstone River. EPA’s file records it issued August 17, 2022 and expiring December 31, 2022. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for COLUMBUS WATER DISTRIBUTION SYSTEM IMPROVEMENTS: its NPDES ID, its permit type and status, its dates, its address in Columbus, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR109707.

Identity

Facility as filedCOLUMBUS WATER DISTRIBUTION SYSTEM IMPROVEMENTS
Permittee as filedCOP CONSTRUCTION LLC
NPDES IDMTR109707
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedAugust 17, 2022
Expiration dateDecember 31, 2022
AddressColumbus, MT 59019
Receiving waterYELLOWSTONE RIVER
SubwatershedYellowstone River-Quinn Coulee (HUC 100700040305)

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 MTR109707.

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 MTR109707.

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, MTR109707.

Start the watch

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 MTR109707 there.

Nearby on the register

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