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Clean Water Act discharge permit · NPDES MTR111194

ST. VINCENT HOSPITAL, Billings, MT: NPDES MTR111194 discharge permit, effluent exceedances, inspections, penalties

ST. VINCENT HOSPITAL, held by Layton Construction, holds NPDES permit MTR111194, which discharges to Unknown. EPA’s file records it issued March 25, 2025 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 ST. VINCENT HOSPITAL: 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 MTR111194.

Identity

Facility as filedST. VINCENT HOSPITAL
Permittee as filedLayton Construction
NPDES IDMTR111194
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedMarch 25, 2025
Expiration dateDecember 31, 2027
AddressBillings, MT 59101
Receiving waterUNKNOWN
SubwatershedYellowstone River-Billings (HUC 100700041006)
SIC1629 – Heavy Construction
Other EPA IDs (FRS)RCRA handler MTD156204398

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MTR111194.

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 MTR111194.

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, MTR111194.

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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 MTR111194 there.

Nearby on the register

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

What this page shows

The St. Vincent Hospital storm water construction coverage (NPDES ID MTR111194, Billings, Yellowstone County) is one of 262 such permits in Yellowstone County, and it sits among 157 NPDES permits in the Yellowstone River-Billings subwatershed. The permit shows zero pollutants under a numeric limit and zero pollutants with an effluent exceedance.