Watershed · by major or minor

Minor dischargers discharge permits in subbasin 18030012

• 29Permits
• 31Permits in the subbasin
• 1States the subbasin touches

29 of the 31 Clean Water Act discharge permits in hydrologic subbasin 18030012 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 31 permits in the subbasin

Other cuts of subbasin 18030012

• program: Biosolids 5
• program: Storm Water Industrial 23
• permit type: Associated permit records 6
• permit type: General permit coverage 24

Every discharge permit in subbasin 18030012 →

Figures from EPA’s ICIS-NPDES download.