Watershed · by major or minor

Major dischargers discharge permits in subbasin 10230002

• 3Permits
• 51Permits in the subbasin
• 1States the subbasin touches

3 of the 51 Clean Water Act discharge permits in hydrologic subbasin 10230002 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 51 permits in the subbasin

Other cuts of subbasin 10230002

• program: POTW 11
• major or minor: Minor dischargers 48
• permit type: Individual permits 50

Every discharge permit in subbasin 10230002 →

Figures from EPA’s ICIS-NPDES download.