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'Boil water' warning to thousands 'Boil water' warning to thousands
(20 minutes later)
About 45,000 people in north Wales have been told to boil their drinking water after an increase in bacteria in reservoirs supplying the area.About 45,000 people in north Wales have been told to boil their drinking water after an increase in bacteria in reservoirs supplying the area.
The warnings apply to the Bangor, Menai Bridge and Llanfairpwll areas, as well as the village of Capel Curig.The warnings apply to the Bangor, Menai Bridge and Llanfairpwll areas, as well as the village of Capel Curig.
Welsh Water said any tap water used for drinking or food preparation should be boiled until further notice.Welsh Water said any tap water used for drinking or food preparation should be boiled until further notice.
This is the latest in a series of problems with cryptosporidium affecting water supplies in north Wales.This is the latest in a series of problems with cryptosporidium affecting water supplies in north Wales.
Officials said it was not known how long the warning would need to stay in place. AREAS ADVISED TO BOIL DRINKING WATER Bangor, Bangor side of Felinheli (marina), Beaumaris, Bethesda, Capel Curig, Cwm y GloGaerwen , Gallt y Foel, Gerlan, Llanddaniel, Llanddeiniolen, Llandegai Llandegfan, Llanfaes, Llanfairpwll, Llangoed, Menai Bridge, Mynydd LlandygaiPentir, Rachub, Rhiwlas, Sling, Talybont, Tan y Foel, Tregarth The area's tap water comes from the Mynydd Llandegai water treatment works, which takes supplies from the Marchlyn Bach and Ffynnon Lligwy reservoirs.Officials said it was not known how long the warning would need to stay in place. AREAS ADVISED TO BOIL DRINKING WATER Bangor, Bangor side of Felinheli (marina), Beaumaris, Bethesda, Capel Curig, Cwm y GloGaerwen , Gallt y Foel, Gerlan, Llanddaniel, Llanddeiniolen, Llandegai Llandegfan, Llanfaes, Llanfairpwll, Llangoed, Menai Bridge, Mynydd LlandygaiPentir, Rachub, Rhiwlas, Sling, Talybont, Tan y Foel, Tregarth The area's tap water comes from the Mynydd Llandegai water treatment works, which takes supplies from the Marchlyn Bach and Ffynnon Lligwy reservoirs.
Welsh Water said an increase in levels of cryptosporidium was found after "routine water quality sampling," which "prompted us to take this precautionary measure to protect public health."Welsh Water said an increase in levels of cryptosporidium was found after "routine water quality sampling," which "prompted us to take this precautionary measure to protect public health."
The company said "extensive" further water sampling was needed, and it did not know why there was an increase in cryptosporidium levels.The company said "extensive" further water sampling was needed, and it did not know why there was an increase in cryptosporidium levels.
Welsh Water's Head of Water Quality Dr Tim Masters said: "I have to stress we wouldn't do this unless we felt it was the right thing to do on a precautionary basis.
"I know it has happened three times in the last three years but all the incidents are actually different.
"In this one I hope we're acting before there could be any possibility of illness in the community."
Cryptosporidium is a parasite found in humans and animals and can cause temporary diarrhoeal illness. Its eggs are killed by boiling water.Cryptosporidium is a parasite found in humans and animals and can cause temporary diarrhoeal illness. Its eggs are killed by boiling water.
The National Public Health Service for Wales has asked local GPs to report any cases of diarrhoea and to take samples to be tested for gastrointestinal infections such as cryptosporidium.The National Public Health Service for Wales has asked local GPs to report any cases of diarrhoea and to take samples to be tested for gastrointestinal infections such as cryptosporidium.
Welsh Water said: "We apologise for inconvenience caused, but protecting public health is our highest priority."Welsh Water said: "We apologise for inconvenience caused, but protecting public health is our highest priority."
For several days in mid-August, almost 5,000 people in the Tywyn, Aberdyfi, Bryncrug, Rhyd-yr-Onen and Brynglas areas of Gwynedd were also advised to boil their tap water after the quality was affected by heavy rainfall.For several days in mid-August, almost 5,000 people in the Tywyn, Aberdyfi, Bryncrug, Rhyd-yr-Onen and Brynglas areas of Gwynedd were also advised to boil their tap water after the quality was affected by heavy rainfall.
It followed tests which showed some cryptosporidium parasites in the water.It followed tests which showed some cryptosporidium parasites in the water.
In November 2005 hundreds of people were left ill in Gwynedd and Anglesey after cryptosporidium affected affected a Snowdonia reservoir.In November 2005 hundreds of people were left ill in Gwynedd and Anglesey after cryptosporidium affected affected a Snowdonia reservoir.
Dr Masters said that in the latest case that as far as they aware the treatment works at Mynydd Llandegai was not at fault and they were also investigating the reservoirs whose catchments are grazed by sheep.
The treatment works is about to be replaced, he said.
He said they did not how long people would have boil their water but said they would look at reducing the numbers of affected, for instance by using another source of supply on Anglesey.
"We've got to be sensible. We've got to be precautionary," said Dr Masters.
"We need to see the cryptosporidium levels fall back to where they normally are which is generally zero or we need to be able to put some additional treatment in place. We're looking at both of those at the moment. "
Any customers who want more information can call 0800 052 0130.Any customers who want more information can call 0800 052 0130.