Used Water Management

Sources of Used Water

Domestic used water comprises mainly sewage and sullage water. These are generated from households and commercial premises such as hotels, restaurants, shops through activities such as cooking and washing.

Industrial used water is the trade effluent generated by factories from manufacturing process. Trade effluent discharge is controlled through the Trade Effluent Regulations under the Sewerage and Drainage Act. Industries may have to pretreat the trade effluent to remove any chemical or undesirable pollutants to meet the discharge standards stipulated in the regulations before it is discharged into the public sewer.