Watershed · by major or minor

Major dischargers discharge permits in subbasin 07100004

• 5Permits
• 47Permits in the subbasin
• 1States the subbasin touches

5 of the 47 Clean Water Act discharge permits in hydrologic subbasin 07100004 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 IA.

Where the subbasin lies

• IA 47 permits in the subbasin

Other cuts of subbasin 07100004

• permit type: Individual permits 45
• major or minor: Minor dischargers 42
• program: POTW 19

Every discharge permit in subbasin 07100004 →

Figures from EPA’s ICIS-NPDES download.