Minister for the Office of Public Works Kevin Boxer Moran has said no stone will be left unturned when it comes to finding out what happened in recent flooding events.
Minister Moran was speaking while meeting residents from Woodside Grange Park in Rathfarnham in south Dublin whose homes were flooded by water coming from Castle Stream, White Church Stream and the Dodder River.
The minister confirmed that an investigation into flooding in the area will be conducted by South Dublin County Council.
He said he would work with the local authority over the next few weeks to find out where the blockage happened, adding that funding would not be an issue.
The minister said he was giving people a commitment and did not want people suffering and going to bed at night wondering what they would get up to in the morning.
The residents expressed anger that there was a river flowing through estates in the area and there was no immediate help or sandbags available.
Minister Moran will visit other areas worst affected by Storm Chandra, namely Co Wicklow and Enniscorthy in Co Wexford.
People caught off guard by flooding in Rathfarnham - Brophy
Residents from the Woodside estate in Rathfarnham said they had contacted South Dublin County Council yesterday and were told sandbags would not be provided to private residents.
They said the source of the flood must be investigated because it was so sudden and said it was dangerous as there was no way they could get out.
Director of Services at South Dublin County Council Teresa Walsh said pallets of sandbags would be delivered to estates in the area today in case of further flooding.
She said a full investigation would be carried out into why flooding in the area happened.
Fine Gael TD for Dublin South-West and Minister Colm Brophy said people were caught off guard and there was period of seven hours where it was "crazy" to see the level of water that came.
He said they would work to make sure does not happen again.
Flooding, water outage in Fairview in Dublin
The minister's comments come as "major disruption" continued on some rail lines this morning.
A section of the DART between Malahide to Howth Junction has re-opened having been closed all morning due to a fallen tree.
Iarnród Éireann said the tree, which has since been removed, caused significant disruption to the Dublin-Belfast Enterprise rail service.
In Dublin, Fairview road has reopened to traffic following flooding caused by a burst water main this morning. Households, schools and businesses are without water supply as a result.
Uisce Éireann Water Network Operations Manager Keith Conmy said teams were concentrating efforts to make sure local hospitals are supplied.
Gardaí say that it will take a couple of hours until the road reopens, describing the flooding as "severe" in the Marino Mart area.
Traffic is stopped at Annesley Bridge and is being diverted down the East Wall Road and Fairview Strand.
Latest figures from the ESB show that more than 1,200 homes and businesses remain without electricity in the aftermath of the storm.
Further flooding 'likely'
Meanwhile, counties in the south and east of the country are bracing for further possible flooding, with more heavy rain forecast on already saturated ground.
A Status Yellow rain warning is in effect until midnight for counties Dublin, Carlow, Kilkenny, Wexford, Wicklow and Waterford.
The warning comes as communities across the country hit by heavy flooding on Tuesday continue to assess the damage following Storm Chandra.
Met Éireann forecaster Holly O'Neill has said that the weather today is a "developing situation" and that it's "likely we'll see further localised flooding" in parts of the south, southeast and possible further east.
Speaking on RTÉ's Morning Ireland, she it is likely Munster and parts of Leinster mostly impacted.
"With grounds being so saturated and rivers being so high, any further amount of rainfall we are going to get is going to have a greater impact than it would normally have on any other day as the rain has nowhere to go," she said.
Heavy winds and torrential rain on Tuesday caused significant disruption across the island of Ireland, including power outages, flight cancellations and 300 school closures in Northern Ireland.
Rivers burst their banks, including the Slaney in Co Wexford and the Dodder in Dublin, with fallen trees reported across the island.
The water has been receding in Enniscorthy where the River Slaney burst its banks, causing major flooding.
Several parts of Enniscorthy town centre were impassable on Tuesday with dozens of homes and businesses under several metres of water.
