Watershed · by major or minor

Major dischargers discharge permits in subbasin 12040103

• 3Permits
• 601Permits in the subbasin
• 1States the subbasin touches

3 of the 601 Clean Water Act discharge permits in hydrologic subbasin 12040103 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 601 permits in the subbasin

Other cuts of subbasin 12040103

• major or minor: Minor dischargers 577
• permit type: General permit coverage 493
• program: Storm Water Construction 422
• permit type: Individual permits 108
• program: Storm Water Industrial 53
• program: POTW 29
• program: Storm Water Small MS4s 3

Every discharge permit in subbasin 12040103 →

Figures from EPA’s ICIS-NPDES download.