EPA · subbasin 18020163 · discharge permits by parameter

TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) in subbasin 18020163

• 4Permits carrying a limit
• 0With a recorded exceedance
• 179Nationwide

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 18020163 carry a numeric limit on TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum), and 0 of those have a recorded exceedance. Nationwide the same parameter appears in 179 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 18020163

• PCB-1232 3
• PCB-1242 3
• PCB-1248 3
• PCB-1254 3
• PCB-1260 3
• Hexachlorobenzene 3
• 1,2-Dibromo-3-chloropropane 3
• Flow, in conduit or thru treatment plant 5
• Chlorine, total residual 3
• 4-Chloro-3-methylphenol 3
• Solids, total dissolved 5
• Mercury, total recoverable 3
• 1,3-Dichloropropene 4
• Ethylene dibromide 3
• Xylene [mix of m+o+p] 4
• Styrene 3
• Chloroethane 4
• % Survival Static Renewal 96Hr Acute Pimephales promelas 4
• TU Static Renewal 7-Day Chronic Ceriodaphnia dubia 5
• TU Static Renewal 7-Day Chronic Pimphales promelas 5

TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum) nationwide · Subbasin 18020163, every permit

What this page shows

This page covers Clean Water Act discharge permits in watershed 18020163 with limits on the pollutant parameter TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum). The register lists 4 permits with a limit on this parameter and 1 permit with a recorded violation of this parameter.