Clean Water Act discharge permit · NPDES MTR111892

NORTHWEST PIPE EXPANSION, Butte, MT: NPDES MTR111892 discharge permit, effluent exceedances, inspections, penalties

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

NORTHWEST PIPE EXPANSION, held by DICK ANDERSON CONSTRUCTION, INC. - MAIN, holds NPDES permit MTR111892, which discharges to Sand Creek. EPA’s file records it issued June 24, 2026 and expiring December 31, 2027. 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 NORTHWEST PIPE EXPANSION: its NPDES ID, its permit type and status, its dates, its address in Butte, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR111892.

Identity

Facility as filed	NORTHWEST PIPE EXPANSION
Permittee as filed	DICK ANDERSON CONSTRUCTION, INC. - MAIN
NPDES ID	MTR111892
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Construction stormwater
Issued	June 24, 2026
Expiration date	December 31, 2027
Address	Butte, MT 59701
Receiving water	SAND CREEK
Subwatershed	Silver Bow Creek-Butte (HUC 170102010204)
SIC	1629 – Heavy Construction

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

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 MTR111892.

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 MTR111892.

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, MTR111892.

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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 MTR111892 there.

Nearby on the register

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

Among the 55 storm water construction permits in Silver Bow County, including this one, 94.5% were issued earlier than the NORTHWEST PIPE EXPANSION permit, which was issued June 24, 2026, and the permit has no pollutants under a numeric limit and no pollutants with an effluent exceedance (both counted as 0). Of the 32 NPDES permits in the Silver Bow Creek-Butte subwatershed, this one included, the permit sits among a larger set of storm water construction permits in Silver Bow County, which numbers 57 in total, and 21.1% of those 57 have a violation on file.