Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES MTG370316

SHERWOOD SWANSON SUCTION DREDGE JEFFERSON RIVER, Cardwell, MT: NPDES MTG370316 discharge permit, effluent exceedances, inspections, penalties

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)

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 filedSHERWOOD SWANSON SUCTION DREDGE JEFFERSON RIVER
Permittee as filedSHERWOOD D SWANSON
NPDES IDMTG370316
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedAugust 10, 2010
Expiration dateMarch 31, 2015
Issuing agencyMONTANA DEQ
AddressCardwell, MT 59721
Receiving waterJEFFERSON RIVER
Receiving water impaired303(D) Listed
SubwatershedJefferson River-Sappington (HUC 100200050802)

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES MTG370316.

Inspections, violations and enforcement

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

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, MTG370316.

Start the watch

How often?
  • 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

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

The SHERWOOD SWANSON SUCTION DREDGE JEFFERSON RIVER is one of 14 general permit coverages in Jefferson County, and only 8.3% of the 12 general permit coverages in that county carry an earlier issue date than this one. It sits among 7 NPDES permits in the Jefferson River-Sappington subwatershed, including this one, and 14.3% of the county's 14 general permit coverages have a violation on file, while this permit records 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.