Watershed · by major or minor

Major dischargers discharge permits in subbasin 18070106

• 3Permits
• 241Permits in the subbasin
• 1States the subbasin touches

3 of the 241 Clean Water Act discharge permits in hydrologic subbasin 18070106 are filed as Major 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 241 permits in the subbasin

Other cuts of subbasin 18070106

• permit type: General permit coverage 225
• major or minor: Minor dischargers 195
• program: Storm Water Industrial 175
• permit type: Individual permits 14

Every discharge permit in subbasin 18070106 →

Figures from EPA’s ICIS-NPDES download.