Watershed · by program

Storm Water Small MS4s discharge permits in subbasin 17070102

• 3Permits
• 82Permits in the subbasin
• 2States the subbasin touches

3 of the 82 Clean Water Act discharge permits in hydrologic subbasin 17070102 are filed as Storm Water Small MS4s. A subbasin is a watershed unit, not a political one, so it crosses state lines: this one is named on permits in WA, OR.

Where the subbasin lies

• WA 77 permits in the subbasin
• OR 5 permits in the subbasin

Other cuts of subbasin 17070102

• major or minor: Minor dischargers 79
• permit type: General permit coverage 74
• program: Storm Water Construction 57
• permit type: Individual permits 5
• program: POTW 4
• permit type: Associated permit records 3
• program: Biosolids 3

Every discharge permit in subbasin 17070102 →

Figures from EPA’s ICIS-NPDES download.