EPA · subbasin 12100301 · discharge permits by parameter

Silver, total [as Ag] in subbasin 12100301

• 40Permits 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.

40 of the permits in subbasin 12100301 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 12100301

• Nitrite + Nitrate total [as N] 5
• Arsenic, total [as As] 40
• Barium, total [as Ba] 40
• Cadmium, total [as Cd] 41
• Chromium, total [as Cr] 41
• Copper, total [as Cu] 41
• Iron, total [as Fe] 12
• Lead, total [as Pb] 44
• Manganese, total [as Mn] 40
• Nickel, total [as Ni] 43
• Zinc, total [as Zn] 42
• Aluminum, total [as Al] 8
• Selenium, total [as Se] 42
• Whole effluent toxicity - retest #1 15
• Whole effluent toxicity - retest #2 15
• Methyl tert-butyl ether [MTBE] 3
• Polynuclear Aromatic Hydrocarbons [PAHs] 3
• Benzene, ethylbenzene, toluene, xylene combination 3
• Benzene 3
• Flow, in conduit or thru treatment plant 25

Silver, total [as Ag] nationwide · Subbasin 12100301, every permit

What this page shows

This page covers Clean Water Act discharge permits in watershed 12100301 with limits on the pollutant parameter Silver, total [as Ag]. In this watershed, 40 permits have a limit on this parameter and 2 permits have a recorded violation of this parameter.