EPA · discharge permits by watershed

Subbasin 18030009

• 47Current permits
• 1States
• 2Watersheds

A subbasin is a unit of the national Watershed Boundary Dataset, and water crosses state lines: this one carries permits in California. 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 47 current permits recorded here

By state

• California47

Watersheds inside this subbasin

• Watershed 180300090534
• Watershed 18030009075

The same permits, cut another way

The 47 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 18020158 13
• Subbasin 18020159 21
• Subbasin 18020161 16
• Subbasin 18020162 3
• Subbasin 18020163 69
• Subbasin 18030003 10
• Subbasin 18030004 3
• Subbasin 18030005 10
• Subbasin 18030006 23
• Subbasin 18030007 37
• Subbasin 18030012 31
• Subbasin 18040001 40
• Subbasin 18040002 22
• Subbasin 18040003 55
• Subbasin 18040006 9
• Subbasin 18040007 5
• Subbasin 18040009 27
• Subbasin 18040010 29
• Subbasin 18040012 18
• Subbasin 18040013 15

Permits discharging here

What this page shows

The page covers Clean Water Act discharge permits in the watershed 18030009 under the EPA NPDES register. It lists 47 permits on this page, and 47 permits in the whole watershed located in CA.