Four water supplies in Co Galway have been removed from the Environmental Protection Agencies (EPA) latest Remedial Action List (RAL) which was published this week.
Works carried out by Irish Water over recent years and months has seen a vast improvement in the quality of drinking water being delivered to the public in Galway as acknowledged by the EPA in their latest publication.
The four plants which were removed are Loughrea Lake Road, Loughrea Knockanima, Kilkerrin Moylough and Glenamaddy.
One scheme has been added to the RAL in Co Galway - Inishmean serves a population of 348 people and has elevated levels of THMs in the water. There are eight other schemes in Co Galway currently on the RAL.
Irish Water is continuing to invest in on-going projects in Galway to tackle the different risks to the water supply.
Seven water supply schemes have had boil water notices lifted this year in Co Galway which means 22,834 people no longer have to boil their water before consumption. The schemes are serving Williamstown, Loughrea, Leenane, Tír an Fhia, Ahascragh, Carraroe and Mid Galway.
One scheme, serving 230 people in Kilconnell remains on a boil water notice. A different source is being used as an alternative supply and Irish Water has engaged in source protection works and improvements to the existing water treatment plant to ensure the boil water notice is lifted.
Irish Water is currently upgrading three plants to eliminate the threat of cryptosporidium, including Carraroe and Kilconnell, where UV barriers are already in place and Leenane, where the works are complete. Once the process has been verified Leenane will be removed from the RAL. The water company is currently moving to a new source to ensure the raw water is of a sufficient quality to treat against a range of contaminants which is expected to happen in the coming months.
Five supplies in Galway have elevated THM levels, which have been recorded as above the standard in the Drinking Water Regulations. THMs, or Trihalomethanes are chemicals formed by the reaction of naturally occurring dissolved organic material and chlorine which is used for disinfection in order to protect against pathogenic bacteria. In Galway Irish Water is upgrading Carraroe and Leenane plants, the Ballinasloe water treatment plant and working to improve operations at the Cleggan/Claddaghduff and Inishmean plants. The utility is also carrying out works to the Portumna and Ballyconneely plants.
The only other water supply in Galway on the RAL is Williamstown where the installation of a temporary UV system is being undertaken by Irish Water. The long term plan for Williamstown will be the extension of the Lough Mask scheme to replace the existing Williamstown public supply.
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