EPA · subbasin 12040102 · discharge permits by parameter

Nickel, total [as Ni] in subbasin 12040102

• 227Permits carrying a limit
• 1With a recorded exceedance
• 6,677Nationwide

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.

227 of the permits in subbasin 12040102 carry a numeric limit on Nickel, total [as Ni], and 1 of those have a recorded exceedance. Nationwide the same parameter appears in 6,677 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

• Chloride [as Cl] 7
• Arsenic, total [as As] 77
• Arsenic, dry weight 150
• Barium, total [as Ba] 77
• 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
• Silver, total [as Ag] 78
• Zinc, total [as Zn] 80
• Aluminum, total [as Al] 19
• Selenium, total [as Se] 77
• 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

Nickel, total [as Ni] nationwide · Subbasin 12040102, every permit

What this page shows

This page covers Clean Water Act discharge permits in watershed 12040102 with limits on Nickel, total [as Ni]. The figures listed are 227 permits in this watershed with a limit on this parameter and 88 permits in this watershed with a recorded violation of this parameter.