EPA · subbasin 12090301 · discharge permits by parameter

Nitrogen, ammonia total [as N] in subbasin 12090301

• 26Permits carrying a limit
• 22With a recorded exceedance
• 21,051Nationwide

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.

26 of the permits in subbasin 12090301 carry a numeric limit on Nitrogen, ammonia total [as N], and 22 of those have a recorded exceedance. Nationwide the same parameter appears in 21,051 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 12090301

• Temperature, water deg. fahrenheit 4
• Oxygen, dissolved [DO] 34
• BOD, 5-day, 20 deg. C 11
• pH 88
• Solids, total suspended 94
• Oil & Grease 35
• Nitrite + Nitrate total [as N] 16
• Phosphorus, total [as P] 20
• Chloride [as Cl] 7
• Sulfate, total [as SO4] 5
• Arsenic, total [as As] 53
• Arsenic, dry weight 29
• Barium, total [as Ba] 53
• Cadmium, total [as Cd] 54
• Chromium, total [as Cr] 53
• Copper, total [as Cu] 56
• Iron, total [as Fe] 10
• Lead, total [as Pb] 53
• Manganese, total [as Mn] 53
• Nickel, total [as Ni] 82

Nitrogen, ammonia total [as N] nationwide · Subbasin 12090301, every permit

What this page shows

This page covers Clean Water Act discharge permits in watershed 12090301 with limits on Nitrogen, ammonia total [as N]. The figures listed are 26 permits in this watershed with a limit on this parameter and 27 permits in this watershed with a recorded violation of this parameter.