Clean Water Act discharge permit · NPDES MTR000554
UNITED MATERIALS GREAT FALLS - JOHNSON PIT, Great Falls, MT: NPDES MTR000554 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 2Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
UNITED MATERIALS GREAT FALLS - JOHNSON PIT, held by UNITED MATERIALS OF GREAT FALLS INC, holds NPDES permit MTR000554, which discharges to Sand Coulee Creek. EPA’s file records it issued August 21, 2018 and expiring January 31, 2023. 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 | UNITED MATERIALS GREAT FALLS - JOHNSON PIT |
|---|---|
| Permittee as filed | UNITED MATERIALS OF GREAT FALLS INC |
| NPDES ID | MTR000554 |
| 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 | August 21, 2018 |
| Expiration date | January 31, 2023 |
| Address | Great Falls, MT 59405 |
| Receiving water | SAND COULEE CREEK |
| Subwatershed | Lower Sand Coulee Creek (HUC 100301020905) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 2Pollutants on file
- 2Under a numeric limit
- 0With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 1 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MTR000554.
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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 15, 2024 | WW Storm Water Non-Construction - Failure to Conduct Inspections | ST6 |
| May 15, 2024 | WW Storm Water Non-Construction - Failure to Maintain Records | ST6 |
| May 15, 2024 | WW Storm Water Non-Construction - Failure to properly operate and maintain BMPs | ST6 |
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 MTR000554 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.