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Clean Water Act discharge permit · NPDES MTG070837

WESTBY MT WASTE WATER LAGOON, Westby, MT: NPDES MTG070837 discharge permit, effluent exceedances, inspections, penalties

WESTBY MT WASTE WATER LAGOON, held by WAGNER CONSTRUCTION INC, holds NPDES permit MTG070837, which discharges to Alkali Lake. 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 WESTBY MT WASTE WATER LAGOON: its NPDES ID, its permit type and status, its its address in Westby, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTG070837.

Identity

Facility as filedWESTBY MT WASTE WATER LAGOON
Permittee as filedWAGNER CONSTRUCTION INC
NPDES IDMTG070837
Permit statusNot needed
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
Issuing agencyMONTANA DEQ
AddressWestby, MT 59275
Receiving waterALKALI LAKE
SubwatershedBrush Creek (HUC 100600070002)
SIC1794 – Excavation Work

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 MTG070837.

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 MTG070837.

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 MTG070837 there.

Nearby on the register

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

What this page shows

The Westby MT Waste Water Lagoon, filed under permittee Wagner Construction Inc, is one of 3 general permit coverages on the NPDES register in Sheridan County, Montana, this one included. It is also one of 2 NPDES permits in the Brush Creek subwatershed, this one included. The permit lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.