EPA · subbasin 21020001 · discharge permits by parameter

BOD, 5-day, 20 deg. C in subbasin 21020001

• 5Permits carrying a limit
• 4With a recorded exceedance
• 19,526Nationwide

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.

5 of the permits in subbasin 21020001 carry a numeric limit on BOD, 5-day, 20 deg. C, and 4 of those have a recorded exceedance. Nationwide the same parameter appears in 19,526 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 21020001

• Temperature, water deg. centigrade 10
• pH 11
• Salinity 9
• Solids, total suspended 7
• Oil & Grease 10
• Flow, in conduit or thru treatment plant 11
• Chlorine, total residual 7
• Solids, total dissolved- 180 deg. C 7
• Coliform, fecal general 3
• BOD, 5-day, percent removal 5
• Solids, suspended percent removal 5

BOD, 5-day, 20 deg. C nationwide · Subbasin 21020001, every permit

What this page shows

This page covers Clean Water Act discharge permits in watershed 21020001 with limits on the pollutant parameter BOD, 5-day, 20 deg. C. The figures listed are 5 permits in this watershed with a limit on this parameter and 5 permits in this watershed with a recorded violation of this parameter.