Clean Water Act discharge permit · NPDES MTG071343
NWX2.3, Bozeman, MT: NPDES MTG071343 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
NWX2.3, held by SIME CONSTRUCTION INC, holds NPDES permit MTG071343, which discharges to Baxter Creek. EPA’s file records it issued February 12, 2025 and expiring February 28, 2025. 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 | NWX2.3 |
|---|---|
| Permittee as filed | SIME CONSTRUCTION INC |
| NPDES ID | MTG071343 |
| 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 |
| Issued | February 12, 2025 |
| Expiration date | February 28, 2025 |
| Address | Bozeman, MT 59718 |
| Receiving water | BAXTER CREEK |
| Subwatershed | Lower Hyalite Creek (HUC 100200081002) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 5Pollutants on file
- 5Under a numeric limit
- 5With a violation of any kind
- 0With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Turbidity | 2 | 2 | 0 | ||
| Oil & Grease | 1 | 1 | 0 | ||
| Flowing, Receiving Stream | 1 | 1 | 0 | ||
| Oil and grease visual | 1 | 1 | 0 | ||
| Outfall observation,visual, y/n response | 1 | 1 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MTG071343.
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 MTG071343.
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 MTG071343 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.