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Jersey Chamber of Commerce

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Category: States of Jersey

Public Health Guidance for Flooding

Jan 18, 2023

The Director of Public Health, Professor Peter Bradley, has issued the following advice to support Islanders who may have concerns following the flash flooding.

Peter said: “Flood water is dangerous; it can be fast flowing and can hide many dangers. My advice is that, should any flash floods occur again over the coming days, Islander should always assume the water is contaminated with sewage or other pollutants and may conceal hidden hazards such as a missing manhole cover. I recommend Islanders:

•    Avoid walking or driving through it 

•    Keep children and vulnerable people away from it 

•    Wash hands thoroughly if in contact with flood water 

•    Avoid allowing pets to enter flooded areas

“The overspill of human waste contains harmful microorganisms such as bacteria and viruses. Direct contact with the overspill water or surfaces contaminated by sewage can result in illnesses that can cause diarrhoea and vomiting.”

“Jersey Water has provided assurance over the quality of mains drinking water and has confirmed that there no risk to the public from drinking this this water.

“As a precautionary measure we are recommending that Islanders who rely on a private water supply consider the effectiveness of their treatment system. To make water safe to use in the home; drinking, brushing teeth or cooking, Islanders can bring the water to a rolling boil for two minutes to make it safe for use. Alternatively, we would recommend using bottled water. If concerns for borehole water remain, or if there are vulnerable groups; those under 5, over 65, pregnant, breast feeding or immunocompromised relying on a private water supply, we would recommend using bottled water. 

“The overspill being directed into the sea is very diluted, once it reaches the sea it is diluted further and benefits from the tidal ranges. In addition to the overspill there will be contamination found naturally from animal faeces that will have been washed into the sea.

“Islanders are asked to refrain from sea swimming until Saturday morning." 

Government of Jersey

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