The potable water is prepared from turbid surface water by adopting the following treatment sequence.
- Turbid surface water $\rightarrow$ Coagulation $\rightarrow$ Flocculation $\rightarrow$ Sedimentation $\rightarrow$ Filtration $\rightarrow$ Disinfection $\rightarrow$ Storage & Supply
- Turbid surface water $\rightarrow$ Disinfection $\rightarrow$ Flocculation $\rightarrow$ Sedimentation $\rightarrow$ Filtration $\rightarrow$ Coagulation $\rightarrow$ Storage & Supply
- Turbid surface water $\rightarrow$ Filtration $\rightarrow$ Sedimentation $\rightarrow$ Disinfection $\rightarrow$ Flocculation $\rightarrow$ Coagulation $\rightarrow$ Storage & Supply
- Turbid surface water $\rightarrow$ Sedimentation $\rightarrow$ Flocculation $\rightarrow$ Coagulation $\rightarrow$ Disinfection $\rightarrow$ Filtration $\rightarrow$ Storage & Supply