Watershed · by major or minor

Minor dischargers discharge permits in subbasin 12100406

• 19Permits
• 19Permits in the subbasin
• 1States the subbasin touches

19 of the 19 Clean Water Act discharge permits in hydrologic subbasin 12100406 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 TX.

Where the subbasin lies

• TX 19 permits in the subbasin

Other cuts of subbasin 12100406

• permit type: General permit coverage 16
• program: Storm Water Construction 9
• program: Storm Water Industrial 5
• permit type: Individual permits 3
• program: POTW 3

Every discharge permit in subbasin 12100406 →

Figures from EPA’s ICIS-NPDES download.