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Clean Water Act discharge permit · NPDES MTR109651

SOUTHERN SKY ESTATES, Billings, MT: NPDES MTR109651 discharge permit, effluent exceedances, inspections, penalties

SOUTHERN SKY ESTATES, held by KE Construction, holds NPDES permit MTR109651, which discharges to Yellowstone River. EPA’s file records it issued July 19, 2022 and expiring December 31, 2022. 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 SOUTHERN SKY ESTATES: 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 MTR109651.

Identity

Facility as filedSOUTHERN SKY ESTATES
Permittee as filedKE Construction
NPDES IDMTR109651
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedJuly 19, 2022
Expiration dateDecember 31, 2022
AddressBillings, MT 59106
Receiving waterYELLOWSTONE RIVER
SubwatershedYellowstone River-Broakway Creek (HUC 100700040604)
SIC1629 – Heavy 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 MTR109651.

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 MTR109651.

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, MTR109651.

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  • One state — $4,990/year
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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 MTR109651 there.

Nearby on the register

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

What this page shows

SOUTHERN SKY ESTATES, a Storm Water Construction coverage in Billings, Yellowstone County, Montana, is one of 262 storm water construction permits in Yellowstone County on EPA's NPDES register, with 5.0% of those permits carrying a violation on file. The permit also sits within the Yellowstone River-Broakway Creek subwatershed, where 49 NPDES permits, this one included, are listed. Of the 253 storm water construction permits in Yellowstone County, 66.0% were issued earlier than this one, and none of its pollutants carries a numeric limit or an effluent exceedance.