The investigation launched by Irish Water and Mayo County Council after cryptosporidium was found in the Lough Mask Regional Water Supply Scheme and associated Group Water Schemes will report this week.
In the meantime, customers are being reminded to continue to comply with the boil water notice which was issued on the scheme on Friday 2nd September.
The Incident Management Team which was set up immediately after the issuing of the boil water notice are currently awaiting the written results of the Environmental Protection Agency’s report following their comprehensive audit of the Lough Mask Water Treatment Plant on Tuesday last week.
In a statement Irish Water said this report is imminent and the Incident Management Team ould immediately evaluate and action its findings and recommendations.
Since the positive result on Friday September 2nd, daily sampling at the source, at the treatment plant and on the network has not identified any further presence of cryptosporidium.
However, in the interest of public health the sampling programme and investigations will continue throughout the incubation period and a full and comprehensive update will be issued early this week once these results are analysed in conjunction with the EPA report.
“Public health has to be our priority,” explained Irish Water’s Regional Information Specialist Sean Corrigan. “Investigations are continuing at the plant and throughout the network. Irish Water, Mayo County Council and the HSE are treating this as a priority and every level of these organisations is working to find a speedy resolution to this incident,” he added.


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