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Clean Water Act discharge permit · NPDES MTG010165

BEAVERHEAD LLC, Dillon, MT: NPDES MTG010165 discharge permit, effluent exceedances, inspections, penalties

BEAVERHEAD LLC holds NPDES permit MTG010165, which discharges to Blacktail Deer Creek. EPA’s file records it issued July 28, 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 filedBEAVERHEAD LLC
Permittee as filedBEAVERHEAD LLC
NPDES IDMTG010165
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
IssuedJuly 28, 2020
Expiration dateOctober 31, 2023
AddressDillon, MT 59725
Receiving waterBLACKTAIL DEER CREEK
SubwatershedBeaverhead River-Poindexter Sloughs (HUC 100200020405)
SIC0212 – Beef Cattle, Except Feedlots

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. C010
pH010
Solids, total suspended010
Nitrogen, total [as N]010
Nitrogen, ammonia total [as N]010
Nitrite + Nitrate total [as N]010
Phosphorus, total [as P]010
E. coli, MTEC-MF010

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MTG010165.

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 MTG010165.

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 MTG010165 there.

Nearby on the register

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

What this page shows

This page is a public-records entry for NPDES permit MTG010165, held by BEAVERHEAD LLC of Dillon, MT, discharging to Blacktail Deer Creek in the Beaverhead River-Poindexter Sloughs watershed (HUC 100200020405). The permit is listed as administratively continued, with the program shown as Concentrated animal feeding operations, a minor discharger class of 0, and 0 pollutants with an effluent exceedance.