Clean Water Act discharge permit · NPDES MTG490017
SAGE CREEK COLONY - SAND & GRAVEL WASHING, Chester, MT: NPDES MTG490017 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
SAGE CREEK COLONY - SAND & GRAVEL WASHING, held by SAGE CREEK COLONY, holds NPDES permit MTG490017, which discharges to Sage Creek. EPA’s file records it issued February 28, 2013 and expiring October 31, 2017. 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.
Identity
| Facility as filed | SAGE CREEK COLONY - SAND & GRAVEL WASHING |
|---|---|
| Permittee as filed | SAGE CREEK COLONY |
| NPDES ID | MTG490017 |
| 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 28, 2013 |
| Expiration date | October 31, 2017 |
| Issuing agency | MONTANA DEQ |
| Address | Chester, MT 59522 |
| Receiving water | SAGE CREEK |
| Subwatershed | Headwaters of Sage Creek (HUC 100500060102) |
| SIC | 1442 – Construction Sand And Gravel |
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
- 7Pollutants on file
- 6Under a numeric limit
- 7With 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 | 0 | 144 | 0 | ||
| pH | 2 | 60 | 0 | ||
| Flow rate | 2 | 34 | 0 | ||
| Oil and grease, hexane extr method | 1 | 30 | 0 | ||
| Oil and grease visual | 1 | 30 | 0 | ||
| Solids, total suspended | 2 | 28 | 0 | ||
| Duration of discharge | 1 | 17 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MTG490017.
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 MTG490017.
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, MTG490017.
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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 MTG490017 there.
Nearby on the register
- Discharge permits in Chester
- Every permit record in Chester, A to Z
- Discharge permits in Montana
- Every permit record in Montana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.