EPA · discharge permits by watershed

Subbasin 10070005

• 18Current permits
• 1States
• 5Watersheds

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 5 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

• Watershed 10070005035
• Watershed 10070005044
• Watershed 10070005023
• Watershed 10070005053
• Watershed 10070005063

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.

Other subbasins

• Subbasin 10060001 27
• Subbasin 10060002 41
• Subbasin 10060003 17
• Subbasin 10060004 3
• Subbasin 10060005 111
• Subbasin 10060006 35
• Subbasin 10070001 15
• Subbasin 10070002 78
• Subbasin 10070003 11
• Subbasin 10070004 334
• Subbasin 10070006 73
• Subbasin 10070007 104
• Subbasin 10070008 4
• Subbasin 10080001 35
• Subbasin 10080002 23
• Subbasin 10080003 13
• Subbasin 10080004 6
• Subbasin 10080005 10
• Subbasin 10080006 8
• Subbasin 10080007 46

Permits discharging here