EPA · Arizona · discharge permits by parameter
Chemical Oxygen Demand [COD] in Arizona
- 8Permits carrying a limit
- 0With a recorded exceedance
- 4,700Nationwide
Permits
Other parameters in Arizona
- Solids, total suspended388
- pH273
- Iron, total [as Fe]162
- Flow, in conduit or thru treatment plant151
- Nitrite + Nitrate total [as N]138
- Selenium, total recoverable134
- Arsenic, total recoverable131
- Mercury, total recoverable131
- Lead, total recoverable130
- Chlorine, total residual129
- Zinc, total recoverable128
- Nitrogen, ammonia total [as N]128
- Cadmium, total recoverable127
- Copper, total recoverable126
- Hardness, total [as CaCO3]125
- Temperature, water deg. centigrade124
- Zinc, total [as Zn]124
- Cyanide, total [as CN]122
- E. coli, colony forming units [CFU]121
- Silver total recoverable117
- Nickel, total recoverable116
- Phosphorus, total [as P]116
- Chromium, hexavalent dissolved [as Cr]115
- BOD, 5-day, 20 deg. C114
- Beryllium, total recoverable [as Be]114
- Antimony, total recoverable113
- Thallium, total recoverable113
- Solids, suspended percent removal111
- Solids, total dissolved107
- Oxygen, dissolved [DO]106
- BOD, 5-day, percent removal106
- Oil & Grease105
- TU Static Renewal 7-Day Chronic Ceriodaphnia dubia94
- TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)94
- Naphthalene94
- Iron, total recoverable93
- Nitrogen, Kjeldahl, total [as N]91
- Chromium, total recoverable91
- Sulfide, total [as S]90
- Hydrogen sulfide88
- Copper, total [as Cu]81
- Boron, total recoverable77
- TU Static Renewal 7-Day Chronic Pimphales promelas77
- Phenol74
- Trichloroethylene72
- Tetrachloroethylene70
- 1,1,1-Trichloroethane70
- Dichlorobromomethane69
- Chloroform69
- 1,1-Dichloroethylene68
- Toluene67
- Dibromochloromethane67
- Bromoform66
- Vinyl chloride66
- Carbon tetrachloride66
- Ethylbenzene66
- Benzene66
- Benzidine66
- trans-1,2-Dichloroethylene65
- 1,2-Dichloroethane65