EPA · Tennessee · discharge permits by parameter
Chromium, hexavalent [as Cr] in Tennessee
- 11Permits carrying a limit
- 3With a recorded exceedance
- 1,004Nationwide
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