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Clean Water Act discharge permit · NPDES MTG870040

BUTTE SILVER BOW MOSQUITO CONTROL DIST PESTICIDE, Butte, MT: NPDES MTG870040 discharge permit, effluent exceedances, inspections, penalties

BUTTE SILVER BOW MOSQUITO CONTROL DIST PESTICIDE, held by BUTTE SILVER BOW COUNCIL OF COMMISSIONERS, holds NPDES permit MTG870040, which discharges to Silver Bow County. EPA’s file records it issued May 31, 2012 and expiring October 31, 2016. 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 BUTTE SILVER BOW MOSQUITO CONTROL DIST PESTICIDE: 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 MTG870040.

Identity

Facility as filedBUTTE SILVER BOW MOSQUITO CONTROL DIST PESTICIDE
Permittee as filedBUTTE SILVER BOW COUNCIL OF COMMISSIONERS
NPDES IDMTG870040
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
IssuedMay 31, 2012
Expiration dateOctober 31, 2016
Issuing agencyMONTANA DEQ
AddressButte, MT 59701
Receiving waterSILVER BOW COUNTY
SubwatershedSilver Bow Creek-Butte (HUC 170102010204)
SIC9431 – Admin. Of Public Health Programs

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

EPA’s limits and effluent violation files hold no pollutant row for NPDES MTG870040.

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 MTG870040.

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, MTG870040.

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  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

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 MTG870040 there.

Nearby on the register

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

What this page shows

The BUTTE SILVER BOW MOSQUITO CONTROL DIST PESTICIDE permit, issued May 31, 2012 and administratively continued, is one of 12 general permit coverages in Silver Bow County, and one of 32 NPDES permits in the Silver Bow Creek-Butte subwatershed. The permit records no pollutants under a numeric limit and no pollutants with an effluent exceedance.