EPA · subbasin 12070101 · discharge permits by parameter

Silver, total [as Ag] in subbasin 12070101

• 31Permits carrying a limit
• 0With a recorded exceedance
• 4,111Nationwide

A subbasin is a unit of the national Watershed Boundary Dataset, and water crosses state lines: a permit is placed here by the outfall EPA names as its representative discharge point.

31 of the permits in subbasin 12070101 carry a numeric limit on Silver, total [as Ag], and 0 of those have a recorded exceedance. Nationwide the same parameter appears in 4,111 permits. A permit carrying several parameters is counted under each of them, so the parameter counts for one subbasin add up to more permits than it holds. The other parameters named in this subbasin are listed below.

Permits

Other pollutants in subbasin 12070101

• Arsenic, total [as As] 31
• Arsenic, dry weight 20
• Barium, total [as Ba] 31
• Cadmium, total [as Cd] 31
• Chromium, total [as Cr] 32
• Copper, total [as Cu] 34
• Iron, total [as Fe] 8
• Lead, total [as Pb] 33
• Manganese, total [as Mn] 31
• Nickel, total [as Ni] 51
• Zinc, total [as Zn] 32
• Aluminum, total [as Al] 9
• Selenium, total [as Se] 35
• Selenium, dry weight 20
• Whole effluent toxicity - retest #1 25
• Whole effluent toxicity - retest #2 25
• Fecal coliform 20
• Polychlorinated biphenyls [PCBs] 20
• Toxicity characteristic leaching procedure 20
• Copper, dry weight 20

Silver, total [as Ag] nationwide · Subbasin 12070101, every permit

What this page shows

This page covers Clean Water Act discharge permits in watershed 12070101 with limits on Silver, total [as Ag]. It lists 31 permits in this watershed with a limit on this parameter and 5 permits in this watershed with a recorded violation of this parameter.