EPA · discharge permits by watershed

Subbasin 04100001

• 72Current permits
• 2States
• 3Watersheds

A subbasin is a unit of the national Watershed Boundary Dataset, and water crosses state lines: this one carries permits in Michigan, Ohio. 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 72 current permits recorded here; the pollutant list above names every limit EPA attaches to a permit in this subbasin.

By state

• Michigan63
• Ohio9

Watersheds inside this subbasin

• Watershed 041000010125
• Watershed 041000010324
• Watershed 041000010223

The same permits, cut another way

The 72 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 04080202 49
• Subbasin 04080203 93
• Subbasin 04080204 149
• Subbasin 04080205 31
• Subbasin 04080206 67
• Subbasin 04090001 83
• Subbasin 04090002 134
• Subbasin 04090003 433
• Subbasin 04090004 340
• Subbasin 04090005 150
• Subbasin 04100002 85
• Subbasin 04100003 365
• Subbasin 04100004 226
• Subbasin 04100005 165
• Subbasin 04100006 37
• Subbasin 04100007 86
• Subbasin 04100008 29
• Subbasin 04100009 37
• Subbasin 04100010 78
• Subbasin 04100011 109

Permits discharging here