Watershed · by major or minor

Minor dischargers discharge permits in subbasin 18030006

• 21Permits
• 23Permits in the subbasin
• 1States the subbasin touches

21 of the 23 Clean Water Act discharge permits in hydrologic subbasin 18030006 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 23 permits in the subbasin

Other cuts of subbasin 18030006

• permit type: General permit coverage 18
• program: Storm Water Industrial 15
• permit type: Associated permit records 4
• program: Biosolids 3

Every discharge permit in subbasin 18030006 →

Figures from EPA’s ICIS-NPDES download.