The Water Supplies Department found the water contained 17 microgrammes of lead per litre, which is 7 microgrammes higher than the SAR’s permitted standard.
The spokesman said it was the first time a sample had failed to meet the fresh water standards since the launch of the Enhanced Water Quality Monitoring Programme in 2017.
The department has told the building manager to fix the problem and to tell people there to use alternative sources of drinking water in the meantime.
The department refused to reveal the exact address of the building, but said it will closely follow up the matter and provide assistance if needed.