EPA · discharge permits by watershed
Subbasin 10050005
- 18Current permits
- 1States
- 2Watersheds
A subbasin is a unit of the national Watershed Boundary Dataset, and water crosses state lines: this one carries permits in Montana. Each permit is placed by the outfall EPA names as its representative discharge point.
This subbasin contains 2 watersheds, each with its own page of permits. The table below is a sample of the 18 current permits recorded here; the pollutant list above names every limit EPA attaches to a permit in this subbasin.
By state
- Montana18
Watersheds inside this subbasin
The same permits, cut another way
The 18 permits whose outfall sits in this subbasin, grouped by one attribute at a time: the class of permit, the Clean Water Act program it was issued under, the type of coverage, and the size of the discharger. Each figure below counts the permits in that group.
By permit class
- General16
By program
By permit type
By major or minor
Pollutants with a limit in subbasin 10050005 11
Every pollutant a permit in this subbasin carries a limit for, most permits first.
Other subbasins
- Subbasin 10040104 22
- Subbasin 10040105 15
- Subbasin 10040106 6
- Subbasin 10040201 45
- Subbasin 10040202 16
- Subbasin 10040203 4
- Subbasin 10040204 8
- Subbasin 10040205 7
- Subbasin 10050002 5
- Subbasin 10050004 60
- Subbasin 10050006 5
- Subbasin 10050012 34
- Subbasin 10050014 15
- Subbasin 10050016 5
- Subbasin 10060001 27
- Subbasin 10060002 41
- Subbasin 10060003 17
- Subbasin 10060004 3
- Subbasin 10060005 111
- Subbasin 10060006 35
Permits discharging here
| Permit holder | NPDES ID | City | State | Program | Discharger | Receiving water |
|---|---|---|---|---|---|---|
| AGENCY LAGOON | MTG589701 | BOX ELDER | MT | Publicly owned treatment works | Minor | Boxelder Creek |
| AZURE LAGOON | MTG589703 | BOX ELDER | MT | Publicly owned treatment works | Minor | Boxelder Creek |
| BLUE LAGOON | MTG589704 | BOX ELDER | MT | Publicly owned treatment works | Minor | Big Sandy Creek-Schwartz Creek |
| CHIPPEWA CREE TRIBE | MTG589005 | BOX ELDER | MT | Publicly owned treatment works | Minor | Boxelder Creek |
| CHIPPEWA CREE TRIBE | MTG589004 | BOX ELDER | MT | Publicly owned treatment works | Minor | Boxelder Creek |
| KNIFE RIVER KALISPELL BIBEAU SITE | MTR103862 | HAVRE | MT | Construction stormwater | Minor | BIG SANDY CREEK |
| LOWER DRY FORK LAGOON | MTG589702 | BOX ELDER | MT | Publicly owned treatment works | Minor | Boxelder Creek |
| MIYO YOUTH CENTER | MTR10I04W | BOX ELDER | MT | Construction stormwater | Minor | Boxelder Creek |
| MULTI-COMMUNITY LAGOON | MTG589705 | BOX ELDER | MT | Publicly owned treatment works | Minor | Boxelder Creek |
| NORTHERN WINZ CASINO LAGOON | MTG589706 | BOX ELDER | MT | Publicly owned treatment works | Minor | Big Sandy Creek-Schwartz Creek |
| ROCKY BOY'S/NORTH CENTRAL REGIONAL WATER SYSTEM PROJECT | MTR109578 | LOMA | MT | Construction stormwater | Minor | Black Coulee |
| TOWN OF BIG SANDY - WWTF | MT0022454 | BIG SANDY | MT | Publicly owned treatment works | Minor | BIG SANDY CREEK |
| TOWN OF BIG SANDY WASTEWATER TREATMENT FACILITY | MTG580039 | BIG SANDY | MT | Minor | UNNAMED DITCH TO BIG SANDY CREEK | |
| TRIANGLE TELEPHONE COOP - ROCKY BOY FTTP UPGRADE PROJECT | MTR104518 | HAVRE | MT | Construction stormwater | Minor | VARIOUS |
| US-2 EROSION REPAIR HAVRE | MTR111928 | HAVRE | MT | Construction stormwater | Minor | BIG SANDY CREEK |
| AGENCY LAGOON | MTG651009 | BOXELDER | MT | Minor | Boxelder Creek | |
| AGENCY WASTEWATER LAGOON SYSTEM | MTG651013 | BOX ELDER | MT | Minor | Boxelder Creek | |
| N.O. WINZ REVERSE OSMOSIS TREATMENT PLANT REJECT POND | MT0000007 | BOX ELDER | MT | Minor | Big Sandy Creek-Schwartz Creek |