Watershed · by major or minor

Minor dischargers discharge permits in subbasin 10040103

• 55Permits
• 62Permits in the subbasin
• 1States the subbasin touches

55 of the 62 Clean Water Act discharge permits in hydrologic subbasin 10040103 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 MT.

Where the subbasin lies

• MT 62 permits in the subbasin

Other cuts of subbasin 10040103

• permit type: General permit coverage 54
• program: Storm Water Construction 38
• program: Storm Water Industrial 8
• program: CAFO 4
• permit type: Individual permits 3
• permit type: State-issued individual permits 3
• program: POTW 3

Every discharge permit in subbasin 10040103 →

Figures from EPA’s ICIS-NPDES download.