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Clean Water Act discharge permit · NPDES MTR109666

CANTERA AT THE QUARRY, Whitefish, MT: NPDES MTR109666 discharge permit, effluent exceedances, inspections, penalties

CANTERA AT THE QUARRY, held by WATSON EXCAVATING INC, holds NPDES permit MTR109666, which discharges to Whitefish Lake. EPA’s file records it issued July 7, 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 CANTERA AT THE QUARRY: its NPDES ID, its permit type and status, its dates, its address in Whitefish, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR109666.

Identity

Facility as filedCANTERA AT THE QUARRY
Permittee as filedWATSON EXCAVATING INC
NPDES IDMTR109666
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJuly 7, 2022
Expiration dateDecember 31, 2022
AddressWhitefish, MT 59937
Receiving waterWHITEFISH LAKE
SubwatershedWhitefish Lake (HUC 170102100506)
SIC1623 – Water, Sewer, And Utility Lines

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 MTR109666.

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 MTR109666.

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, MTR109666.

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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 MTR109666 there.

Nearby on the register

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

What this page shows

Flathead County shows 8.6% of its 220 storm water construction permits with a violation on file. CANTERA AT THE QUARRY is in the Whitefish Lake subwatershed, which lists 13 NPDES permits counting this permit, and 54.5% of the 211 Flathead County permits counting this permit were issued before it.