EPA · discharge permits by watershed

Subbasin 15020011

• 51Current permits
• 1States
• 4Watersheds

A subbasin is a unit of the national Watershed Boundary Dataset, and water crosses state lines: this one carries permits in Arizona. Each permit is placed by the outfall EPA names as its representative discharge point.

This subbasin contains 4 watersheds, each with its own page of permits. The table below is a sample of the 51 current permits recorded here; the pollutant list above names every limit EPA attaches to a permit in this subbasin.

By state

• Arizona51

Watersheds inside this subbasin

• Watershed 150200110333
• Watershed 15020011056
• Watershed 15020011015
• Watershed 15020011023

The same permits, cut another way

The 51 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 15010010 163
• Subbasin 15010015 83
• Subbasin 15020001 5
• Subbasin 15020003 3
• Subbasin 15020004 16
• Subbasin 15020005 28
• Subbasin 15020006 248
• Subbasin 15020007 9
• Subbasin 15020008 44
• Subbasin 15020009 13
• Subbasin 15020012 9
• Subbasin 15020013 17
• Subbasin 15020014 65
• Subbasin 15020015 135
• Subbasin 15020016 27
• Subbasin 15020017 3
• Subbasin 15020018 52
• Subbasin 15030101 99
• Subbasin 15030103 28
• Subbasin 15030104 25

Permits discharging here

What this page shows

This page from the EPA NPDES register covers Clean Water Act discharge permits in watershed 15020011. The page lists 51 permits, and all 51 permits in the whole watershed are located in AZ.