EPA · subbasin 04040001 · discharge permits by parameter

Copper, dry weight in subbasin 04040001

• 4Permits carrying a limit
• 2With a recorded exceedance
• 2,339Nationwide

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.

4 of the permits in subbasin 04040001 carry a numeric limit on Copper, dry weight, and 2 of those have a recorded exceedance. Nationwide the same parameter appears in 2,339 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 04040001

• Copper, total recoverable 18
• Chromium, hexavalent dissolved [as Cr] 6
• Oil and grease 3
• Manganese, total recoverable 3
• Benzene, ethylbenzene, toluene, xylene combination 8
• Phenolics, total recoverable 7
• Benzene 19
• Oxidants, total residual 4
• Benzo[a]pyrene 3
• Naphthalene 7
• Cadmium, dry weight 4
• Duration 4
• Flow, in conduit or thru treatment plant 81
• Chlorine, total residual 42
• E. coli, colony forming units [CFU] 26
• Number of Events 22
• Toxicity [acute], Ceriodaphnia dubia 17
• Toxicity [chronic], Ceriodaphnia dubia 16
• Toxicity [acute], Pimephales promelas [Fathead Minnow] 14
• Toxicity [chronic], Pimephales promelas [Fathead Minnow] 13

Copper, dry weight nationwide · Subbasin 04040001, every permit

What this page shows

This page covers Clean Water Act discharge permits in watershed 04040001 with limits on Copper, dry weight. It lists 4 permits in this watershed with a limit on this parameter and 5 permits in this watershed with a recorded violation of this parameter.