Clean Water Act discharge permit · NPDES MTR101236
YMC PHASE 3A/BIG SKY RIDGE, Big Sky, MT: NPDES MTR101236 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
YMC PHASE 3A/BIG SKY RIDGE, held by YELLOWSTONE DEVELOPMENT LLC, holds NPDES permit MTR101236, which discharges to Unnamed Trib To S. Fork Of W. Fork Gallatin. EPA’s file records it issued May 4, 2007 and expiring December 31, 2011. 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 YMC PHASE 3A/BIG SKY RIDGE: its NPDES ID, its permit type and status, its dates, its address in Big Sky, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR101236.
Identity
| Facility as filed | YMC PHASE 3A/BIG SKY RIDGE |
|---|---|
| Permittee as filed | YELLOWSTONE DEVELOPMENT LLC |
| NPDES ID | MTR101236 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Construction stormwater |
| Issued | May 4, 2007 |
| Expiration date | December 31, 2011 |
| Issuing agency | MONTANA DEQ |
| Address | Big Sky, MT 59716 |
| Receiving water | UNNAMED TRIB TO S. FORK OF W. FORK GALLATIN |
| Subwatershed | South Fork West Fork Gallatin River (HUC 100200080201) |
| SIC | 1794 – 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
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES MTR101236.
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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MTR101236.
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, MTR101236.
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- One watershed — $2,990/year
- One state — $4,990/year
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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 MTR101236 there.
Nearby on the register
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- Every permit record in Montana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.