UV equipment brought in to kill off crypto

Water bosses are bringing in ultra violet ray equipment to help kill off cryptosporidium in the water supply which has affected over 300,000 Lancashire residents.


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United Utilities is to use the portable UV rigs at three sites on the Fylde which it says should make a difference and help kill off cryptosporidium. The equipment, which consists of powerful fluorescent UV lights shining in a tank through which water passes, will be used on water leaving the Warbreck, Weeton and Westby service reservoir outlets.

The UV C rays attack the DNA of the parasite killing it rapidly. It also works on other potentially harmful microbes such as e-coli. John Butcher, UU’s regional supplies manager, said: “Cryoptosporidium is very vulnerable to this UV C light. The normal treatment process at Franklaw deals with it and the water coming out of there is clear, but we have brought this in to deal with the water now going through the system.”

Gary Dixon UU’s customer services director said they had identified a possible source for the contamination but had to wait for the Drinking Water Inspectorate’s official report.