Watershed · by major or minor

Minor dischargers discharge permits in subbasin 12030105

• 1,208Permits
• 1,230Permits in the subbasin
• 2States the subbasin touches

1,208 of the 1,230 Clean Water Act discharge permits in hydrologic subbasin 12030105 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, ND.

Where the subbasin lies

• TX 1,228 permits in the subbasin
• ND 2 permits in the subbasin

Other cuts of subbasin 12030105

• permit type: General permit coverage 1,196
• program: Storm Water Industrial 592
• program: Storm Water Construction 509
• permit type: Individual permits 34
• program: POTW 13
• major or minor: Major dischargers 8
• program: Storm Water Small MS4s 4

Every discharge permit in subbasin 12030105 →

Figures from EPA’s ICIS-NPDES download.