Watershed · by major or minor

Minor dischargers discharge permits in subbasin 12030103

• 1,843Permits
• 1,872Permits in the subbasin
• 2States the subbasin touches

1,843 of the 1,872 Clean Water Act discharge permits in hydrologic subbasin 12030103 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 1,870 permits in the subbasin
• ND 2 permits in the subbasin

Other cuts of subbasin 12030103

• program: POTW 41
• program: Storm Water Construction 1,301
• program: Storm Water Industrial 385
• program: Storm Water Small MS4s 6
• major or minor: Major dischargers 15
• permit type: General permit coverage 1,797
• permit type: Individual permits 75

Every discharge permit in subbasin 12030103 →

Figures from EPA’s ICIS-NPDES download.