Clean Water Act discharge permit · NPDES MTR000201
UNITED MATERIALS OF GRT FALLS - MISSOURI RIVER GRAVEL PIT, Great Falls, MT: NPDES MTR000201 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
UNITED MATERIALS OF GRT FALLS - MISSOURI RIVER GRAVEL PIT, held by UNITED MATERIALS OF GREAT FALLS INC, holds NPDES permit MTR000201, which discharges to Missouri River. EPA’s file records it issued June 14, 2018 and expiring January 31, 2023. 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 UNITED MATERIALS OF GRT FALLS - MISSOURI RIVER GRAVEL PIT: its NPDES ID, its permit type and status, its dates, its address in Great Falls, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR000201.
Identity
| Facility as filed | UNITED MATERIALS OF GRT FALLS - MISSOURI RIVER GRAVEL PIT |
|---|---|
| Permittee as filed | UNITED MATERIALS OF GREAT FALLS INC |
| NPDES ID | MTR000201 |
| 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 | June 14, 2018 |
| Expiration date | January 31, 2023 |
| Address | Great Falls, MT 59404 |
| Receiving water | MISSOURI RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Missouri River-Wilson Butte (HUC 100301020805) |
| SIC | 1442 – Construction Sand And Gravel |
| Other EPA IDs (FRS) | RCRA handler MTR000004721 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
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 MTR000201.
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 MTR000201.
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, MTR000201.
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 MTR000201 there.
Nearby on the register
- Discharge permits in Great Falls
- Every permit record in Great Falls, 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.