Irish Water is currently undertaking significant investment on the Letterkenny Water Supply Scheme to address water quality standards at Letterkenny, Rathmullen and Churchill. The works when completed will result in the removal of the scheme from the EPA’s drinking water Remedial Action List.

The utility is also reassuring customers that there is no risk to public health from the public drinking water supply and that all water sources in the Letterkenny area are subject to continuous monitoring and disinfection to provide a high quality water supply that is safe for consumption. This includes a programme of monitoring for Cryptosporidium across Letterkenny’s water supply that has been agreed with the EPA and the HSE. Irish Water is also installing a UV treatment system at Goldrum, as an additional short-term measure to reduce the risk of Cryptosporidium entering the water supply. The UV system will be in place by the end of September.

The longer term work by Irish Water, currently at design and planning stage to upgrade Letterkenny’s Water Supply infrastructure includes the following:
• Construction of a new drinking water treatment plant at Goldrum,
• Construction of a new trunk main from the Pollan Dam Water Supply Scheme to increase supply to Letterkenny
Replacement of a 7km priority trunk main from Goldrum to Mountain Top,
• Replacement of over half of the raw water main from Lough Keel to secure the raw water supply.
• Construction of a 12km pipe to deliver treated water to Churchill and allow decommissioning of the existing Churchill water treatment plant
• Construction of a 16km pipe to deliver treated water to the Milford Water Supply Scheme from Goldrum and Cranford allowing Milford to supply Rathmullan and the existing Rathmullan water treatment plant to be decommissioned

Commenting on the works, Sean Corrigan, Regional Information Officer at Irish Water said,
“Providing safe, clean drinking water across Co. Donegal is a priority for Irish Water. The contract for design of the project was awarded in February of this year and planning and design work has been underway since March with a view to submitting relevant planning applications at the end of 2015. Construction will be carried out under four separate contracts which will be tendered later in 2015. We hope that construction can begin in 2016 and be completed in 2 years.’’


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