Clean Water Act discharge permit · NPDES MTR300160

BARRETTS MINERALS INC - TALC MILL, Dillon, MT: NPDES MTR300160 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

BARRETTS MINERALS INC - TALC MILL, held by BARRETTS MINERALS INC, holds NPDES permit MTR300160, which discharges to Beaverhead River. EPA’s file records it issued February 21, 2003 and expiring November 16, 2007. 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 BARRETTS MINERALS INC - TALC MILL: its NPDES ID, its permit type and status, its dates, its address in Dillon, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR300160.

Identity

Facility as filed	BARRETTS MINERALS INC - TALC MILL
Permittee as filed	BARRETTS MINERALS INC
NPDES ID	MTR300160
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Industrial stormwater
Issued	February 21, 2003
Expiration date	November 16, 2007
Issuing agency	MONTANA DEQ
Address	Dillon, MT 59725
Receiving water	BEAVERHEAD RIVER
Subwatershed	Lower North Fork Willow Creek (HUC 101102010502)
SIC	1499 – Miscellaneous Nonmetallic Minerals
Other EPA IDs (FRS)	RCRA handler MTD043707041; ICIS-AIR source MT0000003000100002

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

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES MTR300160.

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES MTR300160.

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

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MTR300160.

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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 MTR300160 there.

Nearby on the register

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

The Lower North Fork Willow Creek subwatershed holds 2 NPDES permits, this one included, so the permit shares its watershed with one other. Among the 7 storm water industrial permits in Beaverhead County, this one is one of seven on the register, and 57.1% of that group has a violation on file. BARRETTS MINERALS INC - TALC MILL, the permit as filed, has none of the pollutants under a numeric limit or effluent exceedances recorded, both counted as 0.