EPA · Tennessee · discharge permits by parameter

pH range excursions, > 60 minutes in Tennessee

• 7Permits carrying a limit
• 4With a recorded exceedance
• 284Nationwide

Permits

Other parameters in Tennessee

• Solids, total suspended1,526
• pH1,406
• Flow, in conduit or thru treatment plant1,398
• Solids, settleable494
• Chlorine, total residual420
• Iron, total [as Fe]404
• Oxygen, dissolved [DO]315
• E. coli286
• Nitrogen, ammonia total [as N]266
• Phosphorus, total [as P]261
• Nitrogen, total [as N]232
• Oil & Grease229
• SSO, Wet Weather220
• SSO, Dry Weather220
• IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia219
• IC25 Static Renewal 7 Day Chronic Chrpimephales218
• Solids, suspended percent removal189
• BOD, carbonaceous [5 day, 20 C]184
• Bypass of Treatment Facility164
• BOD, 5-day, 20 deg. C163
• Release [Sewer], Wet Weather154
• Release [Sewer], Dry Weather154
• Lead, total [as Pb]148
• Floating solids, waste or visible foam-visual145
• Aluminum, total [as Al]131
• BOD, carbonaceous, percent removal129
• Benzene120
• Zinc, total [as Zn]114
• Toluene108
• Ethylbenzene107
• Xylene [mix of m+o+p]102
• BOD, 5-day, percent removal90
• Temperature, water deg. centigrade83
• Copper, total [as Cu]76
• Oil and grease visual75
• LC50 Static 48Hr Acute Pimephales promelas71
• LC50 Static 48Hr Acute Ceriodaphnia dubia71
• Nitrite + Nitrate total [as N]62
• Chemical Oxygen Demand [COD]59
• Manganese, total [as Mn]55
• Sulfate, total [as SO4]45
• Overflows44
• Conductivity41
• Turbidity39
• Bypass valve39
• Specific conductance33
• Cadmium, total [as Cd]33
• Cyanide, total [as CN]30
• Mercury, total [as Hg]30
• Oxygen demand, chem. [high level] [COD]30
• Chromium, total [as Cr]28
• Oil and grease, hexane extr method24
• Nickel, total [as Ni]23
• Solids, total dissolved23
• Carbonaceous oxygen demand, % removal21
• E. coli, MTEC-MF21
• Silver, total [as Ag]19
• Lead, total recoverable17
• Oil and grease17
• Selenium, total [as Se]15

pH range excursions, > 60 minutes nationwide