Watershed · by major or minor

Minor dischargers discharge permits in subbasin 04020102

• 10Permits
• 10Permits in the subbasin
• 3States the subbasin touches

10 of the 10 Clean Water Act discharge permits in hydrologic subbasin 04020102 are filed as Minor dischargers. A subbasin is a watershed unit, not a political one, so it crosses state lines: this one is named on permits in MI, IL, WI.

Where the subbasin lies

• MI 8 permits in the subbasin
• IL 1 permits in the subbasin
• WI 1 permits in the subbasin

Every discharge permit in subbasin 04020102 →

Figures from EPA’s ICIS-NPDES download.