Watershed · by major or minor

Minor dischargers discharge permits in subbasin 18020163

• 57Permits
• 69Permits in the subbasin
• 1States the subbasin touches

57 of the 69 Clean Water Act discharge permits in hydrologic subbasin 18020163 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 CA.

Where the subbasin lies

• CA 69 permits in the subbasin

Other cuts of subbasin 18020163

• program: Biosolids 7
• program: Storm Water Industrial 44
• permit type: Associated permit records 7
• permit type: General permit coverage 55
• permit type: Individual permits 7

Every discharge permit in subbasin 18020163 →

Figures from EPA’s ICIS-NPDES download.