EPA · subbasin 12030103 · discharge permits by parameter

Mercury, total [as Hg] in subbasin 12030103

• 108Permits carrying a limit
• 1With a recorded exceedance
• 5,569Nationwide

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.

108 of the permits in subbasin 12030103 carry a numeric limit on Mercury, total [as Hg], and 1 of those have a recorded exceedance. Nationwide the same parameter appears in 5,569 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 12030103

• Annual amt. sludge disposed surface unit 29
• Annual amt sludge disposed in landfill 29
• Annual amt sludge transported interstate 29
• Unit w/liner/leachate collection system 29
• Compliance w/part 258 sludge requirement 29
• Flow, in conduit or thru treatment plant 119
• Chlorine, total residual 24
• Boundary areas 29
• E. coli 38
• Salmonella 29
• Flow 3
• Cadmium [Cd], in barite, dry weight 3
• Mercury [Hg], in barite, dry weight 3
• Molybdenum, sludge, total, dry weight [as Mo] 29
• Zinc, sludge, total, dry weight [as Zn] 29
• Lead, sludge, total, dry weight [as Pb] 29
• Nickel, sludge, total, dry weight [as Ni] 29
• Mercury, sludge, total, dry weight [as Hg] 29
• Chromium, sludge, total, dry weight [as Cr] 29
• Produced water, free oil 3

Mercury, total [as Hg] nationwide · Subbasin 12030103, every permit

What this page shows

This page covers Clean Water Act discharge permits (EPA NPDES register) in watershed 12030103 with limits on Mercury, total [as Hg]. For this watershed, 108 permits have a limit on this parameter and 22 permits have a recorded violation of this parameter.