Watershed · by major or minor

Major dischargers discharge permits in subbasin 12040101

• 7Permits
• 1,083Permits in the subbasin
• 1States the subbasin touches

7 of the 1,083 Clean Water Act discharge permits in hydrologic subbasin 12040101 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 TX.

Where the subbasin lies

• TX 1,083 permits in the subbasin

Other cuts of subbasin 12040101

• program: POTW 51
• program: Storm Water Construction 813
• program: Storm Water Industrial 91
• program: Storm Water Small MS4s 6
• major or minor: Minor dischargers 1,063
• permit type: General permit coverage 942
• permit type: Individual permits 141

Every discharge permit in subbasin 12040101 →

Figures from EPA’s ICIS-NPDES download.