Watershed · by major or minor

Minor dischargers discharge permits in subbasin 18020161

• 12Permits
• 16Permits in the subbasin
• 1States the subbasin touches

12 of the 16 Clean Water Act discharge permits in hydrologic subbasin 18020161 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 16 permits in the subbasin

Other cuts of subbasin 18020161

• program: POTW 4
• program: Storm Water Industrial 9
• major or minor: Major dischargers 3
• permit type: General permit coverage 11
• permit type: Individual permits 4

Every discharge permit in subbasin 18020161 →

Figures from EPA’s ICIS-NPDES download.