Irish Water is aware that a small number of customers in Scholarstown Park may have experienced discolouration of their water supply on Tuesday 23 and Wednesday 24 February. Drinking water can pass through several kilometres of pipework before it reaches customers taps. Some of this pipework may be constructed from cast iron and depending on the area can be up to 100 years old. Old cast iron mains typically suffer from corrosion and as a result sediment from these pipes can be dislodged as water passes through them. Most of the time, the drinking water passes over this sediment unchanged. However changes in flow, pressure or direction can dislodge this sediment and carry it through to your tap. Works in the area may have caused sediment to be dislodged which may have caused the water discolouration.

Irish Water and South Dublin County Council carried out flushing of the watermains on Wednesday 24 February in order to remove any sediment in the pipes that may have caused the discolouration. On Friday 26 February, samples were taken at properties in Scholarstown Park. Initial results of analysis, which included tests for residual chlorine, indicated adequate concentrations of residual chlorine in supply. Adequate residual chlorine levels are essential to provide ongoing protection against microbial regrowth and are an indicator of water quality. Irish Water and South Dublin County Council are awaiting further sampling results and continue to monitor this supply.

If a customer’s water is discoloured they should run the tap for a number of minutes to see if it returns to a clear colour.  If running your tap does not restore the clear colour, please contact us on 1850 278 278 and we will ensure it is promptly investigated. 

Irish Water continues to work at this time, with our Local Authority partners, contractors and others to safeguard the health and well-being of both staff and the public and to ensure the continuity of critical drinking water and wastewater services. Irish Water would like to remind people to follow the HSE COVID-19 advice and ensure frequent handwashing.

For further information on water discolouration please visit our discoloured water page.


Back to the top