Watershed · by major or minor

Minor dischargers discharge permits in subbasin 12020004

• 165Permits
• 171Permits in the subbasin
• 1States the subbasin touches

165 of the 171 Clean Water Act discharge permits in hydrologic subbasin 12020004 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 171 permits in the subbasin

Other cuts of subbasin 12020004

• program: POTW 11
• program: Storm Water Construction 114
• program: Storm Water Industrial 27
• major or minor: Major dischargers 5
• permit type: General permit coverage 152
• permit type: Individual permits 19

Every discharge permit in subbasin 12020004 →

Figures from EPA’s ICIS-NPDES download.