Watershed · by major or minor

Major dischargers discharge permits in subbasin 04090001

• 4Permits
• 83Permits in the subbasin
• 1States the subbasin touches

4 of the 83 Clean Water Act discharge permits in hydrologic subbasin 04090001 are filed as Major dischargers. A subbasin is a watershed unit, not a political one, so it crosses state lines: this one is named on permits in MI.

Where the subbasin lies

• MI 83 permits in the subbasin

Other cuts of subbasin 04090001

• major or minor: Minor dischargers 78
• permit type: General permit coverage 63
• permit type: Individual permits 20
• program: POTW 10

Every discharge permit in subbasin 04090001 →

Figures from EPA’s ICIS-NPDES download.