Clean Water Act discharge permit · NPDES MTR300139
ROY MOEN - M&W MILLING AND REFINING, Virginia City, MT: NPDES MTR300139 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
ROY MOEN - M&W MILLING AND REFINING, held by ROY MOEN, holds NPDES permit MTR300139, which discharges to Alder Creek. EPA’s file records it issued February 4, 2003 and expiring November 16, 2007. 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 | ROY MOEN - M&W MILLING AND REFINING |
|---|---|
| Permittee as filed | ROY MOEN |
| NPDES ID | MTR300139 |
| 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 | Industrial stormwater |
| Issued | February 4, 2003 |
| Expiration date | November 16, 2007 |
| Issuing agency | MONTANA DEQ |
| Address | Virginia City, MT 59755 |
| Receiving water | ALDER CREEK |
| Subwatershed | Middle Rattlesnake Creek (HUC 100200020202) |
| Other EPA IDs (FRS) | RCRA handler MTR000008185 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 12Pollutants on file
- 0Under a numeric limit
- 12With 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 |
|---|---|---|---|---|---|
| Oxygen demand, chem. [low level] [COD] | 0 | 9 | 0 | ||
| pH | 0 | 9 | 0 | ||
| Solids, total suspended | 0 | 9 | 0 | ||
| Oil and grease, hexane extr method | 0 | 9 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 9 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 9 | 0 | ||
| Phosphorus, total [as P] | 0 | 9 | 0 | ||
| Sulfate, total [as SO4] | 0 | 9 | 0 | ||
| Lead, total recoverable | 0 | 9 | 0 | ||
| Copper, total recoverable | 0 | 9 | 0 | ||
| Cyanide, total recoverable | 0 | 9 | 0 | ||
| Report due [yrmoda] | 0 | 1 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MTR300139.
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 MTR300139.
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, MTR300139.
Start the watch
- One permit holder — $99/month
- 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 MTR300139 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 September 15, 2026.