EPA · subbasin 21010002 · discharge permits by parameter

Copper, total [as Cu] in subbasin 21010002

• 35Permits carrying a limit
• 28With a recorded exceedance
• 8,648Nationwide

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.

35 of the permits in subbasin 21010002 carry a numeric limit on Copper, total [as Cu], and 28 of those have a recorded exceedance. Nationwide the same parameter appears in 8,648 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 21010002

• Solids, settleable 32
• Oil & Grease 13
• Nitrogen, total [as N] 10
• Nitrite + Nitrate total [as N] 5
• Phosphorus, total [as P] 27
• Cyanide, total [as CN] 4
• Sulfate, total [as SO4] 23
• Arsenic, total [as As] 11
• Cadmium, total [as Cd] 10
• Chromium, hexavalent [as Cr] 4
• Lead, total [as Pb] 24
• Silver, total [as Ag] 4
• Zinc, total [as Zn] 17
• Coliform, fecal - % samples exceeding limit 8
• Phenol 3
• Nitrogen, ammonia, total [as NH3] 12
• Surfactants [MBAS] 8
• Flow, in conduit or thru treatment plant 31
• Chlorine, total residual 30
• Cyanide, free available 11

Copper, total [as Cu] nationwide · Subbasin 21010002, every permit

What this page shows

This page covers Clean Water Act discharge permits in watershed 21010002 with limits on Copper, total [as Cu]. The figures listed are 35 permits in this watershed with a limit on this parameter and 35 permits in this watershed with a recorded violation of this parameter.