Watershed · by program

CSO discharge permits in subbasin 07120004

• 21Permits
• 2,158Permits in the subbasin
• 4States the subbasin touches

21 of the 2,158 Clean Water Act discharge permits in hydrologic subbasin 07120004 are filed as CSO. A subbasin is a watershed unit, not a political one, so it crosses state lines: this one is named on permits in IL, WI, CA, OH.

Where the subbasin lies

• IL 2,086 permits in the subbasin
• WI 70 permits in the subbasin
• CA 1 permits in the subbasin
• OH 1 permits in the subbasin

Other cuts of subbasin 07120004

• major or minor: Minor dischargers 2,098
• permit type: General permit coverage 1,911
• program: Storm Water Construction 1,384
• program: Storm Water Industrial 325
• permit type: Individual permits 182
• program: Biosolids 67
• permit type: Associated permit records 65
• program: POTW 63
• major or minor: Major dischargers 59

Every discharge permit in subbasin 07120004 →

Figures from EPA’s ICIS-NPDES download.