Watershed · by program

Storm Water Medium/Large MS4s discharge permits in subbasin 12030102

• 3Permits
• 2,227Permits in the subbasin
• 1States the subbasin touches

3 of the 2,227 Clean Water Act discharge permits in hydrologic subbasin 12030102 are filed as Storm Water Medium/Large MS4s. 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 2,227 permits in the subbasin

Other cuts of subbasin 12030102

• program: POTW 11
• program: Storm Water Construction 1,301
• program: Storm Water Industrial 725
• program: Storm Water Small MS4s 17
• major or minor: Major dischargers 12
• major or minor: Minor dischargers 2,202
• permit type: General permit coverage 2,164
• permit type: Individual permits 63

Every discharge permit in subbasin 12030102 →

Figures from EPA’s ICIS-NPDES download.