Watershed · by major or minor

Major dischargers discharge permits in subbasin 12020004

• 5Permits
• 171Permits in the subbasin
• 1States the subbasin touches

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

Other cuts of subbasin 12020004

• major or minor: Minor dischargers 165
• permit type: General permit coverage 152
• program: Storm Water Construction 114
• program: Storm Water Industrial 27
• permit type: Individual permits 19
• program: POTW 11

Every discharge permit in subbasin 12020004 →

Figures from EPA’s ICIS-NPDES download.