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Clean Water Act discharge permit · NPDES MTG870111

BASIN CREEK RESERVOIR #1, Butte, MT: NPDES MTG870111 discharge permit, effluent exceedances, inspections, penalties

BASIN CREEK RESERVOIR #1, held by City and County of Butte Silver Bow, holds NPDES permit MTG870111, which discharges to Silver Bow. EPA’s file records it issued January 6, 2025 and expiring October 31, 2026. 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 BASIN CREEK RESERVOIR #1: 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 MTG870111.

Identity

Facility as filedBASIN CREEK RESERVOIR #1
Permittee as filedCity and County of Butte Silver Bow
NPDES IDMTG870111
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJanuary 6, 2025
Expiration dateOctober 31, 2026
AddressButte, MT 59701
Receiving waterSilver Bow
SubwatershedNorth Fork Divide Creek (HUC 100200041001)
SIC9199 – General Government

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 MTG870111.

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 MTG870111.

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 MTG870111 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 NPDES permit MTG870111 for BASIN CREEK RESERVOIR #1 in Butte, Montana, held by City and County of Butte Silver Bow, with a status of Effective and a discharger class of Minor. The page lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and it records no effluent or single-event violation for this permit in EPA's files.