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Wastewater Characteristics: municipal secondary effluent
Wastewater and leachate constituent concentrations — BOD5, COD, TSS, TKN, ammonia-N, total phosphorus, and pH typical values and ranges by source type (municipal, landfill leachate, stormwater, industrial)
| source type | BOD5 max mg L (mg/L) | BOD5 mg L (mg/L) | BOD5 min mg L (mg/L) | BOD COD ratio (dimensionless) | COD max mg L (mg/L) | COD mg L (mg/L) | COD min mg L (mg/L) | TKN max mg L (mg/L) | TKN mg L (mg/L) | TKN min mg L (mg/L) | TSS max mg L (mg/L) | TSS mg L (mg/L) | TSS min mg L (mg/L) | ammonia N max mg L (mg/L) | ammonia N mg L (mg/L) | ammonia N min mg L (mg/L) | conductivity uS cm (uS/cm) | description | pH max (pH) | pH min (pH) | pH typical (pH) | total phosphorus max mg L (mg/L) | total phosphorus mg L (mg/L) | total phosphorus min mg L (mg/L) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| municipal secondary effluent | 30 | 20 | 5 | 0.25 | 120 | 60 | 30 | 30 | 15 | 3 | 30 | 15 | 5 | 25 | 10 | 1 | 700 | After biological treatment (activated sludge/trickling filter) | 8.5 | 6.5 | 7 | 8 | 5 | 2 |
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