11 Commercial Utilities told to super-chlorinate water


The National Water Supply and Sanitation Council (NWASCO) has disclosed that it has allowed 11 Commercial Utilities to super-chlorinate the water supplied during the current cholera outbreak, to prevent the further spread of the disease. 

According to the Zambian Standard on Drinking Water Quality, ZS 190:2010, drinking water is supposed to maintain a chlorine residual of between 0.2 to 0.5 mg/L. 

According to a statement issued by NWASCO Public Relations Officer Mandamu Mayowe in the event of super-chlorination, Commercial Utilities can attain residual chlorine of more than 0.5  mg/L to contain any possible post-contamination that may occur in the water distribution network or in storage facilities at customer points.  

Ms. Mayowe has further revealed that NWASCO has directed Commercial Utilities to ensure water quality monitoring is enhanced by conducting ancillary tests and submitting results to NWASCO weekly, apart from the approved scheduled water quality sampling which is currently submitted quarterly.  

She says the Commercial Utilities will be required to submit reports detailing the measures being implemented for any failures observed during this period, allowing for quick action to be taken against the spread of the disease. 

Ms. Mayowe says NWASCO is committed to ensuring the safety of the public through effective water, sanitation, and hygiene interventions, by stopping the spread of any waterborne diseases.

Ends....

 

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