Watershed · by major or minor

Minor dischargers discharge permits in subbasin 18020003

• 4Permits
• 6Permits in the subbasin
• 1States the subbasin touches

4 of the 6 Clean Water Act discharge permits in hydrologic subbasin 18020003 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 6 permits in the subbasin

Every discharge permit in subbasin 18020003 →

Figures from EPA’s ICIS-NPDES download.