Watershed · by major or minor

Minor dischargers discharge permits in subbasin 18040009

• 26Permits
• 27Permits in the subbasin
• 1States the subbasin touches

26 of the 27 Clean Water Act discharge permits in hydrologic subbasin 18040009 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 27 permits in the subbasin

Other cuts of subbasin 18040009

• program: Biosolids 5
• program: Storm Water Construction 3
• program: Storm Water Industrial 17
• permit type: Associated permit records 5
• permit type: General permit coverage 22

Every discharge permit in subbasin 18040009 →

Figures from EPA’s ICIS-NPDES download.