EPA · subbasin 21010004 · discharge permits by parameter

Cyanide, free available in subbasin 21010004

• 7Permits carrying a limit
• 3With a recorded exceedance
• 374Nationwide

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.

7 of the permits in subbasin 21010004 carry a numeric limit on Cyanide, free available, and 3 of those have a recorded exceedance. Nationwide the same parameter appears in 374 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 21010004

• 2-Chlorophenol 4
• 2,4-Dichlorophenol 3
• 2,4-Dimethylphenol 3
• 2,4-Dinitrophenol 3
• 2,4,6-Trichlorophenol 4
• Nitrogen, ammonia, total [as NH3] 8
• Surfactants [MBAS] 7
• Pentachlorophenol 4
• Flow, in conduit or thru treatment plant 33
• Chlorine, total residual 30
• Sulfide-hydrogen sulfide [undissociated] 7
• Nitrite Plus Nitrate Total 7
• Whole Effluent Toxicity [WET] - P. promelas 10
• Whole Effluent Toxicity [WET] - D. magna 10
• Enterococci 4
• Solids, total dissolved 9
• Mercury, total [as Hg] 13
• Coliform, fecal general 8
• Coliform, total general 6
• BOD, 5-day, percent removal 4

Cyanide, free available nationwide · Subbasin 21010004, every permit

What this page shows

This page covers Clean Water Act discharge permits in watershed 21010004 with limits on Cyanide, free available. It lists 7 permits in this watershed with a limit on this parameter and 7 permits in this watershed with a recorded violation of this parameter.