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Clean Water Act discharge permit · NPDES MTR000599

STERLING RANCH PIT, Vaughn, MT: NPDES MTR000599 discharge permit, effluent exceedances, inspections, penalties

STERLING RANCH PIT, held by UNITED MATERIALS OF GREAT FALLS INC, holds NPDES permit MTR000599, which discharges to Muddy Creek. EPA’s file records it issued June 3, 2018 and expiring January 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.

What the register holds for STERLING RANCH PIT: its NPDES ID, its permit type and status, its dates, its address in Vaughn, Montana, its receiving water, and 2 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR000599.

Identity

Facility as filedSTERLING RANCH PIT
Permittee as filedUNITED MATERIALS OF GREAT FALLS INC
NPDES IDMTR000599
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
ProgramIndustrial stormwater
IssuedJune 3, 2018
Expiration dateJanuary 31, 2023
AddressVaughn, MT 59487
Receiving waterMUDDY CREEK
SubwatershedLower Muddy Creek (HUC 100301040809)
SIC1442 – Construction Sand And Gravel

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
Solids, total suspended100
Nitrite + Nitrate total [as N]100

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MTR000599.

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 MTR000599.

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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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 MTR000599 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 discharge permit NPDES MTR000599 for STERLING RANCH PIT in Vaughn, Montana, held by UNITED MATERIALS OF GREAT FALLS INC and discharging to Muddy Creek. The register lists the permit as administratively continued, a minor discharger of class 2, with 0 pollutants under a numeric limit exceeded and 2 pollutants under a numeric limit.