Watershed · by major or minor

Minor dischargers discharge permits in subbasin 18070301

• 27Permits
• 30Permits in the subbasin
• 1States the subbasin touches

27 of the 30 Clean Water Act discharge permits in hydrologic subbasin 18070301 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 30 permits in the subbasin

Other cuts of subbasin 18070301

• program: Biosolids 4
• program: Storm Water Industrial 6
• permit type: Associated permit records 5
• permit type: General permit coverage 23

Every discharge permit in subbasin 18070301 →

Figures from EPA’s ICIS-NPDES download.