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Clean Water Act discharge permit · NPDES MTR111915

ST. JOHN'S AERIES RESIDENTIAL TOWER, Billings, MT: NPDES MTR111915 discharge permit, effluent exceedances, inspections, penalties

ST. JOHN'S AERIES RESIDENTIAL TOWER, held by LANGLAS AND ASSOCIATES INC, holds NPDES permit MTR111915, which discharges to High Ditch - On South Side Of Project Site. EPA’s file records it issued July 7, 2026 and expiring December 31, 2027. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for ST. JOHN'S AERIES RESIDENTIAL TOWER: 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 MTR111915.

Identity

Facility as filedST. JOHN'S AERIES RESIDENTIAL TOWER
Permittee as filedLANGLAS AND ASSOCIATES INC
NPDES IDMTR111915
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJuly 7, 2026
Expiration dateDecember 31, 2027
AddressBillings, MT 59106
Receiving waterHigh Ditch - on south side of project site
SubwatershedYellowstone River-Billings (HUC 100700041006)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MTR111915.

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 MTR111915.

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, MTR111915.

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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 MTR111915 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

The ST. JOHN'S AERIES RESIDENTIAL TOWER storm water construction permit, MTR111915 in Billings, Yellowstone County, is one of 262 storm water construction permits in the county on EPA's NPDES register, and 96.8% of the 253 such permits in the county carry an earlier issue date than its July 7, 2026 issue. Among the 157 NPDES permits in the Yellowstone River-Billings subwatershed, this permit has no pollutants under a numeric limit and no pollutants with an effluent exceedance, while 5.0% of the county's storm water construction permits have a violation on file.