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Clean Water Act discharge permit · NPDES MTR000853

GCC THREE FORKS, LLC, Three Folks, MT: NPDES MTR000853 discharge permit, effluent exceedances, inspections, penalties

GCC THREE FORKS, LLC, held by GCC Trident LLC, holds NPDES permit MTR000853, which discharges to Missouri River. EPA’s file records it issued September 4, 2024 and expiring January 31, 2028. 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 GCC THREE FORKS, LLC: its NPDES ID, its permit type and status, its dates, its address in Three Folks, Montana, its receiving water, and 3 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR000853.

Identity

Facility as filedGCC THREE FORKS, LLC
Permittee as filedGCC Trident LLC
NPDES IDMTR000853
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedSeptember 4, 2024
Expiration dateJanuary 31, 2028
AddressThree Folks, MT 59752
Receiving waterMISSOURI RIVER
Receiving water impaired303(D) Listed
SubwatershedMissouri River-Trident (HUC 100301010501)
SIC3241 – Cement, Hydraulic
Other EPA IDs (FRS)RCRA handler MTD986066975; ICIS-AIR source MT0000003003100005

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

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
pH200
Solids, total suspended200
Chemical Oxygen Demand [COD]200

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MTR000853.

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 MTR000853.

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 MTR000853 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 MTR000853, held by GCC THREE FORKS, LLC in Three Folks, MT, which discharges to the MISSOURI RIVER under an effective, minor-discharger industrial stormwater permit issued September 4, 2024 and expiring January 31, 2028. The register lists 0 pollutants with an effluent exceedance and 3 pollutants under a numeric limit.