Clean Water Act discharge permit · NPDES MTR110991
GRIFFITH GRAVEL PIT, Lewistown, MT: NPDES MTR110991 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
GRIFFITH GRAVEL PIT, held by Griffith Contracting, llc, holds NPDES permit MTR110991, which discharges to Beaver Creek. EPA’s file records it issued May 12, 2025 and expiring December 31, 2027. 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 GRIFFITH GRAVEL PIT: its NPDES ID, its permit type and status, its dates, its address in Lewistown, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR110991.
Identity
| Facility as filed | GRIFFITH GRAVEL PIT |
|---|---|
| Permittee as filed | Griffith Contracting, llc |
| NPDES ID | MTR110991 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Construction stormwater |
| Issued | May 12, 2025 |
| Expiration date | December 31, 2027 |
| Address | Lewistown, MT 59457 |
| Receiving water | BEAVER CREEK |
| Subwatershed | Beaver Creek (HUC 100401030902) |
| 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
- 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 MTR110991.
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 MTR110991.
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, MTR110991.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 MTR110991 there.
Nearby on the register
- Discharge permits in Lewistown
- Every permit record in Lewistown, 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.