Page last updated at 18:25 GMT, Friday, 5 September 2008 19:25 UK

Six ill after boil water warning

Mynydd Llandegai water treatment works
Local water comes from the Mynydd Llandegai water treatment works

Six cases of a stomach illness have been confirmed after customers in north Wales were asked to boil their water.

Welsh Water Dwr Cymru issued the boil notice to 45,000 customers in Anglesey, Bangor and parts of Gwynedd a week ago.

The National Public Health Service for Wales (NPHSW) is investigating if there is a link between the six cases and a water treatment works.

The cryptosporidium bug was found at the Mynydd Llandegai works near Bangor last week.

Dr Brendan Mason, consultant epidemiologist with the NPHSW said some of the six cases of the illness caused by the cryptosporidium parasite do not live in the affected areas of north Wales.

He said: "We are now investigating whether there are any links between the six cases and consumption of the water from Mynydd Llandegai."

AREAS ADVISED TO BOIL DRINKING WATER

Bangor, Bangor side of Felinheli (marina), Beaumaris, Bethesda, Capel Curig, Cwm y Glo

Gaerwen , Gallt y Foel, Gerlan, Llanddaniel, Llanddeiniolen, Llandegai

Llandegfan, Llanfaes, Llanfairpwll, Llangoed, Menai Bridge, Mynydd Llandygai
Pentir, Rachub, Rhiwlas, Sling, Talybont, Tan y Foel, Tregarth
Source: Welsh Water

Householders in Gwynedd and Anglesey were issued with the boil water notice last week in what Welsh Water said was a "precautionary measure".

Anyone who became ill was also asked to contact their GP.

Welsh Water said the advice was likely to remain in place for at least two weeks.

The NPHSW said environmental health officers in Gwynedd and Anglesey are conducting detailed investigations into whether the six cases of sickness are linked to the same parasite found in the water treatment works at Mynydd Llandegai.

Test samples have been sent to a reference unit and the NPHSW said it is unlikely that those results will be available until the end of next week.

It is the third time within three years that the water company has issued warnings over the supply in north Wales.

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.

In November 2005 a total of 231 people were left ill in Gwynedd and Anglesey after cryptosporidium affected a Snowdonia reservoir.

The water company was fined 50,000 after admitting supplying unfit water in that case.




SEE ALSO
Q&A: Cryptosporidium outbreak
01 Sep 08 |  North West Wales
Confusion over boil water notices
03 Sep 08 |  North West Wales

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