EPA · discharge permits by watershed

Subbasin 15010004

• 34Current permits
• 1States
• 3Watersheds

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 3 watersheds, each with its own page of permits. The table below is a sample of the 34 current permits recorded here; the pollutant list above names every limit EPA attaches to a permit in this subbasin.

By state

• Arizona34

Watersheds inside this subbasin

• Watershed 150100040516
• Watershed 150100040811
• Watershed 15010004023

The same permits, cut another way

The 34 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 14080106 167
• Subbasin 14080107 14
• Subbasin 14080201 33
• Subbasin 14080202 28
• Subbasin 14080203 14
• Subbasin 14080204 166
• Subbasin 14080205 14
• Subbasin 15010001 8
• Subbasin 15010002 6
• Subbasin 15010003 33
• Subbasin 15010005 3
• Subbasin 15010007 50
• Subbasin 15010008 1,961
• Subbasin 15010009 203
• Subbasin 15010010 163
• Subbasin 15010015 83
• Subbasin 15020001 5
• Subbasin 15020003 3
• Subbasin 15020004 16
• Subbasin 15020005 28

Permits discharging here

What this page shows

This page lists Clean Water Act discharge permits in watershed 15010004 under the EPA NPDES register. It shows 34 permits on this page and 34 permits in the whole watershed located in AZ.