EPA · discharge permits by watershed

Subbasin 10020003

19Current 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 19 current permits recorded here; the pollutant list above names every limit EPA attaches to a permit in this subbasin.

By state

Montana19

Watersheds inside this subbasin

The same permits, cut another way

The 19 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
Individual3

By program

By permit type

General permit coverage16

By major or minor

Minor dischargers12

Pollutants with a limit in subbasin 10020003 2

Every pollutant a permit in this subbasin carries a limit for, most permits first.

Other subbasins

Permits discharging here

Permit holder	NPDES ID	City	State	Program	Discharger	Receiving water
4 RIVERS CONCRETE	MTR000542	SHERIDAN	MT	Industrial stormwater	Minor	DITCH AND CANAL TO RUBY RIVER
APACHE JOHN AND TANGLE LEG	MTG370430	SHERIDAN	MT		Minor	RUBY RIVER
GMA MINING USA - ALDER OPERATIONS	MTR000751	ALDER	MT	Industrial stormwater	Minor	ALDER GULCH CREEK
JACKSON CONTRACTOR GROUP - TOWN OF SHERIDAN WWT IMPROVEMENTS	MTR104598	SHERIDAN	MT	Construction stormwater	Minor	VARIOUS
JOHNSON WILSON CONSTRUCTORS RUBY DAM SPILLWAY MODIFICATION PROJ	MTG070660	ALDER	MT		Minor	RUBY RIVER
LEONARD SLOUGH	MTR111536	TWIN BRIDGES	MT	Construction stormwater	Minor	LEONARD SLOUGH
M & W MILLING & REFINING INC	MT0030015	VIRGINIA CITY	MT		Minor	EPHEMERAL TRIB TO ALDER GULCH
M&W MILLING AND REFINING	MTR000524	VIRGINIA CITY	MT	Industrial stormwater	Minor	PROSPECT GULCH
OXBOW OPEN CUT SITE OPENCUT # 1877	MTR000740	SHERIDAN	MT	Industrial stormwater	Minor	RUBY RIVER
PJSG INC JDL SITE	MTG490011	SHERIDAN	MT		Minor	Swan Ranch Co. Irrigation Ditch - Irrigation Pond
RAMSHORN CREEK RD	MTR102362	ALDER	MT	Construction stormwater	Minor	NO NAMED WATER
RUBY VALLEY HOSPITAL	MTR106751	SHERIDAN	MT	Construction stormwater	Minor	RUBY
APACHE JOHN AND TANGLE LEG	MTG370460	SHERIDAN	MT		Minor	RUBY RIVER
APACHE JOHN AND TANGLE LEG	MTG370459	SHERIDAN	MT		Minor	RUBY RIVER
FRANK DUVAL SPRING CREEK	MTG370304	NOXON	MT		Minor	SPRING CREEK
GARNET USA LLC	MT0031836	ALDER	MT		Minor	WEST FRESHWATER POND
HELENA SAND AND GRAVEL - SHERIDAN SOUTH EAST	MTG070750	SHERIDAN	MT		Minor	MILL CREEK
KEARSARGE EXPLORATION PROJECT	MTR111837	VIRGINIA CITY	MT	Construction stormwater	Minor	GRANITE CREEK
MORSE LAND CO - INDIAN CREEK CHANNEL REHABILITATION 318	MTB001914	SHERIDAN	MT		Minor	INDIAN CREEK

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