EPA · subbasin 04090004 · discharge permits by parameter

pH in subbasin 04090004

• 40Permits carrying a limit
• 11With a recorded exceedance
• 58,899Nationwide

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.

40 of the permits in subbasin 04090004 carry a numeric limit on pH, and 11 of those have a recorded exceedance. Nationwide the same parameter appears in 58,899 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 04090004

• Temperature, water deg. fahrenheit 10
• Flow rate 7
• Oxygen, dissolved [DO] 28
• BOD, 5-day, 20 deg. C 5
• Solids, total 4
• Solids, total suspended 26
• Oil & Grease 12
• Nitrogen, ammonia total [as N] 12
• Phosphorus, total [as P] 15
• Arsenic, total [as As] 3
• Arsenic, dry weight 4
• Cadmium, total [as Cd] 4
• Copper, total [as Cu] 7
• Lead, total [as Pb] 9
• Silver, total [as Ag] 3
• Zinc, total [as Zn] 6
• Selenium, dry weight 4
• Cyanide [A] 7
• Benzene, ethylbenzene, toluene, xylene combination 15
• Toluene 9

pH nationwide · Subbasin 04090004, every permit

What this page shows

This page covers Clean Water Act discharge permits in watershed 04090004 with limits on the pollutant parameter pH. In this watershed, 40 permits have a limit on this parameter and 29 permits have a recorded violation of this parameter.