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Clean Water Act discharge permit · NPDES MTU000144

TRIDENT PLANT, Three Forks, MT: NPDES MTU000144 discharge permit, effluent exceedances, inspections, penalties

TRIDENT PLANT, held by Holcim (US) Inc., holds NPDES permit MTU000144. 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 TRIDENT PLANT: its NPDES ID, its permit type and status, its its address in Three Forks, Montana. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTU000144.

Identity

Facility as filedTRIDENT PLANT
Permittee as filedHolcim (US) Inc.
NPDES IDMTU000144
Permit statusNot needed
Permit typeIndividual permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
AddressThree Forks, MT 59752
Receiving water impaired303(D) Listed
SubwatershedMissouri River-Trident (HUC 100301010501)
Other EPA IDs (FRS)RCRA handler MTD986066975; ICIS-AIR source MT0000003003100005

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MTU000144.

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 MTU000144.

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

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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 MTU000144 there.

Nearby on the register

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

What this page shows

The TRIDENT PLANT in Three Forks, Gallatin County, Montana, is one of 3 NPDES permits in the Missouri River-Trident subwatershed, this one included. It also sits among 37 storm water industrial permits on EPA's NPDES register in Gallatin County, and 59.5% of those 37 permits carry a violation on file. The permit lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.