Clean Water Act discharge permit · NPDES MTR000026
GRANITE CONCRETE CO INC, Libby, MT: NPDES MTR000026 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
GRANITE CONCRETE CO INC, held by GRANITE CONCRETE COMPANY INC, holds NPDES permit MTR000026, which discharges to Granite (Big Cherry) Creek. EPA’s file records it issued November 26, 2001 and expiring September 30, 2006.
GRANITE CONCRETE CO INC, Libby, Montana: Coverage under a general permit MTR000026, held by GRANITE CONCRETE COMPANY INC; Industrial stormwater; Administratively continued (past its expiration date and still in force until reissued); issued November 26, 2001, term to September 30, 2006; discharges to GRANITE (BIG CHERRY) CREEK.
Montana holds 465 Industrial stormwater coverages of this permit type in EPA’s file; 1 were issued before MTR000026. GRANITE CONCRETE COMPANY INC holds 2 permits in Montana.
Other permits held by GRANITE CONCRETE COMPANY INC
- GRANITE CONCRETE CO INC PIT SITE, Libby: MTR300005, issued February 6, 2003
Coverages issued nearest MTR000026
- October 9, 2001: MIKE MANSFIELD ADVANCED TECH, Butte, MTR000017, held by MIKE MANSFIELD ADV TECH CENTER
- December 3, 2001: AIR LIQUIDE LARGE INDUSTRIES, East Helena, MTR000006
- December 3, 2001: UPS - CUT BANK, Cut Bank, MTR000329, held by UNITED PARCEL SERVICE
- December 5, 2001: PLUM CREEK - KSANKA SAWMILL, Fortine, MTR000088, held by PLUM CREEK-KSANKA
- December 6, 2001: BARBER GREEN PLANT, Lewistown, MTR000205, held by CENTURY COMPANIES INC
- December 11, 2001: DIXON BROTHERS INC, Black Eagle, MTR000045
GRANITE CONCRETE CO INC among its neighbors
EPA’s permit file holds 2 discharge permits in the Big Cherry Creek subwatershed (HUC 170101010804), MTR000026 among them. Its county holds 84, 1 of them major permits; MTR000026 is a minor permit.
Other permits in the Big Cherry Creek subwatershed (HUC 170101010804)
- GRANITE CONCRETE PRODUCTS LLC, Libby: MTR000603, minor permit, discharging to BIG CHERRY CREEK, permit term to January 31, 2023
What the register holds for GRANITE CONCRETE CO INC: its NPDES ID, its permit type and status, its dates, its address in Libby, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTR000026.
Identity
| Facility as filed | GRANITE CONCRETE CO INC |
|---|---|
| Permittee as filed | GRANITE CONCRETE COMPANY INC |
| NPDES ID | MTR000026 |
| 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 | November 26, 2001 |
| Expiration date | September 30, 2006 |
| Address | Libby, MT 59923 |
| Receiving water | GRANITE (BIG CHERRY) CREEK |
| Subwatershed | Big Cherry Creek (HUC 170101010804) |
| SIC | 3273 – Ready-Mixed Concrete |
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 MTR000026.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MTR000026.
Inspections
EPA’s inspection file holds no inspection for NPDES MTR000026.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES MTR000026.
Watch this permit
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Nearby on the register
- Discharge permits in Libby
- Every permit record in Libby, 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.