Clean Water Act discharge permit · NPDES MTR109065
CANYON RIVER SUBDIVISION PHASE 8, East Missoula, MT: NPDES MTR109065 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
CANYON RIVER SUBDIVISION PHASE 8, held by CANYON RIVER PROPERTIES LLC, holds NPDES permit MTR109065, which discharges to Clark Fork. EPA’s file records it issued July 23, 2021 and expiring December 31, 2022. 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.
Identity
| Facility as filed | CANYON RIVER SUBDIVISION PHASE 8 |
|---|---|
| Permittee as filed | CANYON RIVER PROPERTIES LLC |
| NPDES ID | MTR109065 |
| 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 | July 23, 2021 |
| Expiration date | December 31, 2022 |
| Address | East Missoula, MT 59802 |
| Receiving water | CLARK FORK |
| Subwatershed | Clark Fork River-Marshall Creek (HUC 170102040104) |
Cited to the EPA ICIS-NPDES permit file (ECHO 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 MTR109065.
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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| October 13, 2021 | WW Storm Water Construction - Failure to properly install/implement BMPs | ST6 |
| October 13, 2021 | WW Storm Water Construction - Failure to Maintain Records | ST6 |
| October 13, 2021 | WW Storm Water Construction - Failure to properly operate and maintain BMPs | ST6 |
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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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 MTR109065 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.