EPA · subbasin 07120004 · discharge permits by parameter

Selenium, dry weight in subbasin 07120004

• 5Permits carrying a limit
• 0With a recorded exceedance
• 2,642Nationwide

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.

5 of the permits in subbasin 07120004 carry a numeric limit on Selenium, dry weight, and 0 of those have a recorded exceedance. Nationwide the same parameter appears in 2,642 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 07120004

• Iron, total [as Fe] 71
• Iron, dissolved [as Fe] 50
• Lead, total [as Pb] 59
• Manganese, total [as Mn] 56
• Thallium, total [as Tl] 14
• Nickel, total [as Ni] 56
• Silver, total [as Ag] 51
• Zinc, total [as Zn] 64
• Antimony, total [as Sb] 14
• Selenium, total [as Se] 48
• Oil and grease 16
• Polynuclear Aromatic Hydrocarbons [PAHs] 7
• Benzene, ethylbenzene, toluene, xylene combination 11
• Coliform, fecal - % samples exceeding limit 6
• Dichlorobromomethane 3
• Carbon tetrachloride 4
• Chloroform 4
• Phenolics, total recoverable 47
• Toluene 20
• Benzene 20

Selenium, dry weight nationwide · Subbasin 07120004, every permit

What this page shows

This page covers Clean Water Act discharge permits in watershed 07120004 with limits on Selenium, dry weight. In this watershed, 5 permits have a limit on this parameter and 36 permits have a recorded violation of this parameter.