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Clean Water Act discharge permit · NPDES MTR109191

FARMSTEAD TOWNHOMES AND APARTMENTS, Billings, MT: NPDES MTR109191 discharge permit, effluent exceedances, inspections, penalties

FARMSTEAD TOWNHOMES AND APARTMENTS, held by Askin Construction LLC, holds NPDES permit MTR109191, which discharges to Hogans Slough. EPA’s file records it issued October 7, 2021 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 FARMSTEAD TOWNHOMES AND APARTMENTS: 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 MTR109191.

Identity

Facility as filedFARMSTEAD TOWNHOMES AND APARTMENTS
Permittee as filedAskin Construction LLC
NPDES IDMTR109191
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedOctober 7, 2021
Expiration dateDecember 31, 2022
AddressBillings, MT 59102
Receiving waterHOGANS SLOUGH
SubwatershedHogans Slough (HUC 100700041003)
SIC1629 – Heavy 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 MTR109191.

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 MTR109191.

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, MTR109191.

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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 MTR109191 there.

Nearby on the register

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

What this page shows

FARMSTEAD TOWNHOMES AND APARTMENTS is one of 262 storm water construction permits on EPA's NPDES register in Yellowstone County, and about 5.0% of those permits have a violation on file. Among the 253 storm water construction permits in the county, 53.8% were issued earlier than this one, and it sits within the Hogans Slough subwatershed, which holds 47 NPDES permits including this one. The permit records no pollutants under a numeric limit and no pollutants with an effluent exceedance.