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Clean Water Act discharge permit · NPDES MTR109965

IRONWOOD NORTHWEST, Billings, MT: NPDES MTR109965 discharge permit, effluent exceedances, inspections, penalties

IRONWOOD NORTHWEST, held by REGAL LAND DEVELOPMENT INC, holds NPDES permit MTR109965, which discharges to Cove Creek. EPA’s file records it issued May 19, 2023 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 IRONWOOD NORTHWEST: its NPDES ID, its permit type and status, its dates, its address in Billings, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR109965.

Identity

Facility as filedIRONWOOD NORTHWEST
Permittee as filedREGAL LAND DEVELOPMENT INC
NPDES IDMTR109965
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedMay 19, 2023
Expiration dateDecember 31, 2027
AddressBillings, MT 59101
Receiving waterCOVE CREEK
SubwatershedHogans Slough (HUC 100700041003)
SIC1521 – Single-Family Housing 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

EPA’s limits and effluent violation files hold no pollutant row for NPDES MTR109965.

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 MTR109965.

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 MTR109965 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 MTR109965 held by IRONWOOD NORTHWEST in Billings, MT, a construction stormwater program with status Effective, issued May 19, 2023 and expiring December 31, 2027, discharging to COVE CREEK in the Hogans Slough subwatershed (HUC 100700041003). The page lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and it reports no effluent or single-event violation for this permit.