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Clean Water Act discharge permit · NPDES MTR000939

HENDRICKSEN PIT EXPANSION, Florence, MT: NPDES MTR000939 discharge permit, effluent exceedances, inspections, penalties

HENDRICKSEN PIT EXPANSION, held by WESTERN EXCAVATING (KEVIN MYTTY), holds NPDES permit MTR000939, which discharges to Maple Creek. 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 HENDRICKSEN PIT EXPANSION: its NPDES ID, its permit type and status, its its address in Florence, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR000939.

Identity

Facility as filedHENDRICKSEN PIT EXPANSION
Permittee as filedWESTERN EXCAVATING (KEVIN MYTTY)
NPDES IDMTR000939
Permit statusPending
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
AddressFlorence, MT 59833
Receiving waterMAPLE CREEK
SIC1442 – Construction Sand And Gravel

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 MTR000939.

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 MTR000939.

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, MTR000939.

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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 MTR000939 there.

Nearby on the register

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

What this page shows

The HENDRICKSEN PIT EXPANSION storm water industrial permit in Florence, Ravalli County, is one of 15 such permits on EPA's NPDES register in that county, this one included. Of those 15 permits, 46.7% have a violation on file, and this permit has no pollutants under a numeric limit and no pollutants with an effluent exceedance, both counted at 0.