Clean Water Act discharge permit · NPDES MTG370316
SHERWOOD SWANSON SUCTION DREDGE JEFFERSON RIVER, Cardwell, MT: NPDES MTG370316 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
SHERWOOD SWANSON SUCTION DREDGE JEFFERSON RIVER, held by SHERWOOD D SWANSON, holds NPDES permit MTG370316, which discharges to Jefferson River. EPA’s file records it issued August 10, 2010 and expiring March 31, 2015.
SHERWOOD SWANSON SUCTION DREDGE JEFFERSON RIVER, Cardwell, Montana: Coverage under a general permit MTG370316, held by SHERWOOD D SWANSON; Administratively continued (past its expiration date and still in force until reissued); issued August 10, 2010, term to March 31, 2015, by MONTANA DEQ; discharges to JEFFERSON RIVER.
SHERWOOD SWANSON SUCTION DREDGE JEFFERSON RIVER among its neighbors
EPA’s permit file holds 7 discharge permits in the Jefferson River-Sappington subwatershed (HUC 100200050802), MTG370316 among them. Its county holds 54, 0 of them major permits; MTG370316 is a minor permit.
Other permits in the Jefferson River-Sappington subwatershed (HUC 100200050802)
- IIG-32807 BELGRADE TO WILLOW CREEK MTR110390, Three Folks: MTR110390, minor permit, discharging to MADISON RIVER, permit term to December 31, 2027
- IMERYS TALC AMERICA - SAPPINGTON MILL, Three Forks: MTR300282, not classed, discharging to JEFFERSON RIVER
- LEWIS & CLARK CAVERSN STATE PARK UPPER VISITOR CENTER, Whitehall: MTX000242, minor permit, discharging to LOWER JEFFERSON RIVER, permit term to April 30, 2023
- LEWIS AND CLARK CAVERNS CAMPGROUND, Whitehall: MTX000267, minor permit, discharging to GROUND WATER, permit term to February 28, 2027
- MDOT - SAPPINGTON JUNCTION, Three Forks: MTR103433, minor permit, discharging to UNNAMED TRIBS TO JEFFERSON RIVER, permit term to December 31, 2011
- SAPPINGTON MILL, Three Forks: MTR000532, minor permit, discharging to JEFFERSON RIVER, permit term to January 31, 2023
What the register holds for SHERWOOD SWANSON SUCTION DREDGE JEFFERSON RIVER: its NPDES ID, its permit type and status, its dates, its address in Cardwell, Montana, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES MTG370316.
Identity
| Facility as filed | SHERWOOD SWANSON SUCTION DREDGE JEFFERSON RIVER |
|---|---|
| Permittee as filed | SHERWOOD D SWANSON |
| NPDES ID | MTG370316 |
| 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 |
| Issued | August 10, 2010 |
| Expiration date | March 31, 2015 |
| Issuing agency | MONTANA DEQ |
| Address | Cardwell, MT 59721 |
| Receiving water | JEFFERSON RIVER |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Jefferson River-Sappington (HUC 100200050802) |
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 MTG370316.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MTG370316.
Inspections
EPA’s inspection file holds no inspection for NPDES MTG370316.
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 MTG370316.
Watch this permit
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Nearby on the register
- Discharge permits in Cardwell
- Every permit record in Cardwell, A to Z
- Discharge permits in Montana
- Every permit record in Montana, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.