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Clean Water Act discharge permit · NPDES MTG010161

BILLINGS LIVESTOCK COMMISSION, Billings, MT: NPDES MTG010161 discharge permit, effluent exceedances, inspections, penalties

BILLINGS LIVESTOCK COMMISSION holds NPDES permit MTG010161, which discharges to Coulson Ditch. EPA’s file records it issued August 18, 2020 and expiring October 31, 2023. 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.

Identity

Facility as filedBILLINGS LIVESTOCK COMMISSION
Permittee as filedBILLINGS LIVESTOCK COMMISSION
NPDES IDMTG010161
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
ProgramConcentrated animal feeding operations
IssuedAugust 18, 2020
Expiration dateOctober 31, 2023
AddressBillings, MT 59101
Receiving waterCOULSON DITCH
Receiving water impaired303(D) Listed
SubwatershedYellowstone River-Sevenmile Creek (HUC 100700070403)
SIC5154 – Livestock

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

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
BOD, 5-day, 20 deg. C020
Solids, total suspended020
Nitrogen, nitrate total [as N]020
Nitrogen, Kjeldahl, total [as N]020
Phosphorus, total [as P]020
Coliform, fecal general020
Precipitation volume020

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MTG010161.

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

DateWhat EPA recordedAgency
February 24, 2026WW CAFO - Management Practice Violations - Improper O&MST6
February 24, 2026WW CAFO - Failure to Maintain Records or Meet Record Keeping RequirementsST6
February 24, 2026WW CAFO - Management Practice Violations - Failure to Conduct Self InspectionsST6
February 5, 2020WW CAFO - Best Management Practice DeficienciesST6

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.

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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 MTG010161 there.

Nearby on the register

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

What this page shows

This public-records page covers Clean Water Act NPDES permit MTG010161, held by BILLINGS LIVESTOCK COMMISSION in Billings, MT, which discharges to COULSON DITCH and is listed in the Yellowstone River-Sevenmile Creek subwatershed (HUC 100700070403). The permit is administratively continued, classed as a Minor discharger, and lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.