EPA · subbasin 04050001 · discharge permits by parameter

Oil and grease, hexane extr method in subbasin 04050001

• 51Permits carrying a limit
• 5With a recorded exceedance
• 2,470Nationwide

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.

51 of the permits in subbasin 04050001 carry a numeric limit on Oil and grease, hexane extr method, and 5 of those have a recorded exceedance. Nationwide the same parameter appears in 2,470 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

• Temperature, water deg. fahrenheit 37
• Streamflow 3
• Oxygen, dissolved [DO] 73
• BOD, 5-day, 20 deg. C 15
• pH 175
• Solids, total 24
• Solids, total suspended 132
• Oil & Grease 4
• Nitrogen, total [as N] 7
• Nitrogen, ammonia total [as N] 83
• Nitrogen, Kjeldahl, total [as N] 28
• Nitrite + Nitrate total [as N] 28
• Phosphorus, total [as P] 96
• Cyanide, free [as free] 4
• Cyanide, total [as CN] 5
• Cyanide, free [amenable to chlorination] 7
• Chloride [as Cl] 7
• Sulfate, total [as SO4] 6
• Iron, total recoverable 13
• Arsenic, total [as As] 4

Oil and grease, hexane extr method 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 Oil and grease, hexane extr method. In this watershed, 51 permits have a limit on this parameter and 30 permits have a recorded violation of this parameter.