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Clean Water Act discharge permit · NPDES MTR111676

WESTERN SECURITY BANK, Billings, MT: NPDES MTR111676 discharge permit, effluent exceedances, inspections, penalties

WESTERN SECURITY BANK, held by K2 Civil, Inc., holds NPDES permit MTR111676, which discharges to Cove Ditch. EPA’s file records it issued February 25, 2026 and expiring December 31, 2027. 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 WESTERN SECURITY BANK: 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 MTR111676.

Identity

Facility as filedWESTERN SECURITY BANK
Permittee as filedK2 Civil, Inc.
NPDES IDMTR111676
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedFebruary 25, 2026
Expiration dateDecember 31, 2027
AddressBillings, MT 59106
Receiving waterCOVE DITCH
SubwatershedHogans Slough (HUC 100700041003)
SIC1794 – Excavation Work

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 MTR111676.

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 MTR111676.

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, MTR111676.

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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 MTR111676 there.

Nearby on the register

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

What this page shows

5.0% of the 262 storm water construction permits in Yellowstone County have a violation on file. The Hogans Slough subwatershed holds 47 NPDES permits, a count that includes this permit. Of the 253 Yellowstone County storm water construction permits that include this permit, 90.1% were issued before the WESTERN SECURITY BANK permit.