EPA · subbasin 12040102 · discharge permits by parameter

Selenium, total [as Se] in subbasin 12040102

• 77Permits carrying a limit
• 0With a recorded exceedance
• 3,999Nationwide

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.

77 of the permits in subbasin 12040102 carry a numeric limit on Selenium, total [as Se], and 0 of those have a recorded exceedance. Nationwide the same parameter appears in 3,999 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 12040102

• Cadmium, total [as Cd] 77
• Chromium, total [as Cr] 77
• Copper, total [as Cu] 84
• Iron, total [as Fe] 18
• Lead, total [as Pb] 77
• Manganese, total [as Mn] 77
• Nickel, total [as Ni] 227
• Silver, total [as Ag] 78
• Zinc, total [as Zn] 80
• Aluminum, total [as Al] 19
• Selenium, dry weight 150
• Misc. free oil in Western GOM, OCS 6
• Drilling fluid, end of well, 96-hr LC50 6
• Drilling fluid, toxicity 6
• Well fluids, oil & grease 6
• Whole effluent toxicity 7
• Whole effluent toxicity - retest #1 66
• Whole effluent toxicity - retest #2 66
• Fecal coliform 150
• Polychlorinated biphenyls [PCBs] 150

Selenium, total [as Se] nationwide · Subbasin 12040102, every permit

What this page shows

This page covers Clean Water Act discharge permits in watershed 12040102 with limits on Selenium, total [as Se]. It lists 77 permits in this watershed with a limit on this parameter and 17 permits in this watershed with a recorded violation of this parameter.