EPA · discharge permits by watershed

Subbasin 03180004

• 100Current permits
• 2States
• 9Watersheds

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

This subbasin contains 9 watersheds, each with its own page of permits. The table below is a sample of the 100 current permits recorded here; the pollutant list above names every limit EPA attaches to a permit in this subbasin.

By state

• Mississippi57
• Louisiana43

Watersheds inside this subbasin

• Watershed 031800041045
• Watershed 031800040112
• Watershed 031800040611
• Watershed 03180004078
• Watershed 03180004087
• Watershed 03180004096
• Watershed 03180004044
• Watershed 03180004023
• Watershed 03180004053

The same permits, cut another way

The 100 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 03170003 12
• Subbasin 03170004 92
• Subbasin 03170005 101
• Subbasin 03170006 28
• Subbasin 03170007 52
• Subbasin 03170008 255
• Subbasin 03170009 271
• Subbasin 03180001 102
• Subbasin 03180002 224
• Subbasin 03180003 49
• Subbasin 03180005 46
• Subbasin 04010101 14
• Subbasin 04010102 12
• Subbasin 04010201 108
• Subbasin 04010202 3
• Subbasin 04010301 35
• Subbasin 04010302 33
• Subbasin 04020101 9
• Subbasin 04020102 10
• Subbasin 04020103 13

Permits discharging here