EPA · subbasin 10130101 · discharge permits by parameter

Oil and grease, hexane extr method in subbasin 10130101

• 3Permits carrying a limit
• 2With 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.

3 of the permits in subbasin 10130101 carry a numeric limit on Oil and grease, hexane extr method, and 2 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 10130101

• Stream flow, instantaneous 8
• Conductivity 5
• Dry days preceding precipitation event 3
• Rainfall duration 3
• BOD, 5-day, 20 deg. C 21
• pH 40
• Alkalinity, total [as CaCO3] 3
• Bicarbonate ion- [as HCO3] 3
• Carbonate ion- [as CO3] 3
• Solids, total suspended 42
• Oil & Grease 17
• Nitrogen, total [as N] 5
• Nitrogen, ammonia total [as N] 11
• Nitrogen, nitrate total [as N] 4
• Nitrite + Nitrate total [as N] 6
• Phosphorus, total [as P] 10
• Cyanide, total [as CN] 3
• Hardness, total [as CaCO3] 7
• Calcium, total [as Ca] 3
• Magnesium, total [as Mg] 3

Oil and grease, hexane extr method nationwide · Subbasin 10130101, every permit

What this page shows

This page covers Clean Water Act discharge permits in watershed 10130101 with limits on the pollutant parameter Oil and grease, hexane extr method. The register lists 3 permits with a limit on this parameter and 2 permits with a recorded violation of this parameter.