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Clean Water Act discharge permit · NPDES MTR105923

HIGH SIERRA SUBDIVISION 8TH FILING P-294, Billings, MT: NPDES MTR105923 discharge permit, effluent exceedances, inspections, penalties

HIGH SIERRA SUBDIVISION 8TH FILING P-294, held by HIGH SIERRA II INC, holds NPDES permit MTR105923, which discharges to Bbwa Canal. EPA’s file records it issued February 17, 2015 and expiring December 31, 2017. 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 HIGH SIERRA SUBDIVISION 8TH FILING P-294: its NPDES ID, its permit type and status, its dates, its address in Billings, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR105923.

Identity

Facility as filedHIGH SIERRA SUBDIVISION 8TH FILING P-294
Permittee as filedHIGH SIERRA II INC
NPDES IDMTR105923
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
IssuedFebruary 17, 2015
Expiration dateDecember 31, 2017
Issuing agencyMONTANA DEQ
AddressBillings, MT 59101
Receiving waterBBWA CANAL
SubwatershedFivemile Creek (HUC 100700070401)
SIC1611 – Highway And Street Construction

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 MTR105923.

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 MTR105923.

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, MTR105923.

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  • One permit holder — $99/month
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  • 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 MTR105923 there.

Nearby on the register

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

What this page shows

The HIGH SIERRA SUBDIVISION 8TH FILING P-294 permit is one of 262 storm water construction permits in Yellowstone County on EPA's NPDES register, and it sits among 14 NPDES permits in the Fivemile Creek subwatershed, this one included. It has no pollutants under a numeric limit and no pollutants with an effluent exceedance on file, and among the 253 storm water construction permits in Yellowstone County, 24.1% were issued earlier than this one, while 5.0% of the 262 such permits in the county carry a violation on file.