EPA · North Carolina · discharge permits by parameter

Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia in North Carolina

• 6Permits carrying a limit
• 21With a recorded exceedance
• 338Nationwide

Permits

Other parameters in North Carolina

• Flow, in conduit or thru treatment plant345
• pH342
• Solids, total suspended330
• Chlorine, total residual277
• Temperature, water deg. centigrade234
• Nitrogen, ammonia total [as N]228
• BOD, 5-day, 20 deg. C206
• Coliform, fecal MF, MFC broth, 44.5 C186
• Oxygen, dissolved [DO]172
• Turbidity111
• Phosphorus, total [as P]102
• Nitrogen, total [as N]99
• Conductivity75
• Copper, total [as Cu]57
• Nitrite + Nitrate total [as N]47
• Nitrogen, Kjeldahl, total [as N]47
• Zinc, total [as Zn]38
• Solids, total dissolved36
• Oil & Grease34
• Flow, total32
• Salinity29
• Chv Statre 7Day Chronic Ceriodaphnia25
• Chloride [as Cl]22
• Lead, total [as Pb]18
• Fluoride, total [as F]14
• Arsenic, total [as As]13
• Hardness, total [as CaCO3]13
• Chromium, total [as Cr]12
• Enterococci12
• Benzene11
• Iron, total [as Fe]11
• Manganese, total [as Mn]10
• BOD, carbonaceous [5 day, 20 C]10
• Mercury, total [as Hg]10
• Cadmium, total [as Cd]9
• Nickel, total [as Ni]8
• Selenium, total [as Se]8
• Ethylbenzene8
• Toluene8
• Oxygen demand, chem. [high level] [COD]7
• Bromide [as Br]7
• Xylene [mix of m+o+p]7
• Silver, total [as Ag]7
• Cyanide, total [as CN]6
• Zinc, dissolved [as Zn]6
• Lead, dissolved [as Pb]6
• Chloroform6
• Copper, dissolved [as Cu]6
• Naphthalene6
• Solids, settleable6
• Cadmium, dissolved [as Cd]6
• Phenolics, total recoverable5
• Duration of discharge5
• Chlorine, free available4
• Surfactants [MBAS]4
• Chromium, hexavalent [as Cr]4
• Tetrachloroethylene4
• Thallium, total [as Tl]4
• Temperature, water deg. fahrenheit3
• E. coli3

Pass/Fail Static Renewal 7 Day Chronic Ceriodaphnia dubia nationwide