EPA · subbasin 04050001 · discharge permits by parameter

Copper, dry weight in subbasin 04050001

• 38Permits carrying a limit
• 1With 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.

38 of the permits in subbasin 04050001 carry a numeric limit on Copper, dry weight, and 1 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 04050001

• Lead, total recoverable 12
• Chromium, total recoverable 11
• Copper, total recoverable 14
• Selenium, dry weight 24
• Toxicity, choice of species 7
• Benzene, ethylbenzene, toluene, xylene combination 7
• Benzene 10
• Naphthalene 4
• Vinyl chloride 5
• Trichloroethylene 4
• Cadmium, dry weight 38
• Equipment inspection - visual 8
• Nitrogen, total Kjeldahl 24
• Duration 8
• Flow, in conduit or thru treatment plant 157
• Chlorine, total residual 44
• E. coli, colony forming units [CFU] 49
• Number of Events 41
• Perfluorooctanoic acid (PFOA) 6
• Perfluorooctanesulfonate 6

Copper, dry weight nationwide · Subbasin 04050001, every permit

What this page shows

This page covers Clean Water Act discharge permits in watershed 04050001 with limits on the pollutant parameter Copper, dry weight. In this watershed, 38 permits have a limit on this parameter, and 29 permits have a recorded violation of this parameter.