Watershed · by major or minor

Minor dischargers discharge permits in subbasin 10120109

• 51Permits
• 57Permits in the subbasin
• 1States the subbasin touches

51 of the 57 Clean Water Act discharge permits in hydrologic subbasin 10120109 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 SD.

Where the subbasin lies

• SD 57 permits in the subbasin

Other cuts of subbasin 10120109

• permit type: General permit coverage 38
• program: Storm Water Construction 28
• permit type: Individual permits 15
• program: POTW 10
• permit type: Associated permit records 4
• program: Biosolids 4

Every discharge permit in subbasin 10120109 →

Figures from EPA’s ICIS-NPDES download.