EPA · subbasin 04100011 · discharge permits by parameter

Oil and grease, hexane extr method in subbasin 04100011

• 21Permits carrying a limit
• 8With 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.

21 of the permits in subbasin 04100011 carry a numeric limit on Oil and grease, hexane extr method, and 8 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 04100011

• Temperature, water deg. fahrenheit 3
• Flow rate 46
• Streamflow 3
• Color, spectrophoto-metric filter 5
• Oxygen, dissolved [DO] 65
• BOD, 5-day, 20 deg. C 5
• Oxygen demand, chem. [low level] [COD] 10
• pH 102
• Solids, total suspended 104
• Oil and grease [soxhlet extr.] tot. 19
• Nitrogen, ammonia total [as N] 74
• Nitrogen, ammonia in bottom deposits 9
• Nitrogen, Kjeldahl, total [as N] 13
• Nitrite + Nitrate total [as N] 43
• Phosphorus, total [as P] 55
• Phosphorous, total, in bottom deposits 9
• Phosphate, ortho, dissolved [as P] 8
• Cyanide, total [as CN] 6
• Hardness, total [as CaCO3] 14
• Potassium, in bottom deposits 9

Oil and grease, hexane extr method nationwide · Subbasin 04100011, every permit

What this page shows

This page covers Clean Water Act discharge permits in watershed 04100011 with limits on Oil and grease, hexane extr method. The figures listed are 21 permits in this watershed with a limit on this parameter and 19 permits in this watershed with a recorded violation of this parameter.