In Progress

News and Updates

Upcoming sewer works

Irish Water is working proactively with our delivery partners and as part of a multi-agency working group to ensure that our construction works are carried out in a controlled and safe manner, in keeping with Government and HSE guidelines to protect workers, their families and the broader community.

  • Small areas of essential reinstatement works and linemarking are continuing this week. There will be minimal impact on traffic and local access will be maintained at all times.


  • Increase the capacity of the wastewater collection network to cater for existing residential and commercial developments.
  • Reduce the incidences of sewer flooding in the area.
  • Improve the water quality of the River Swilly by reducing the frequency and volume of untreated wastewater overflows from the wastewater collection network to the river.
  • Enable the long term social and economic development of Letterkenny Town.


  • Construction of new foul/combined sewer pipelines and the rehabilitation of existing foul/combined sewer pipelines in Letterkenny Town.
  • Construction of two interceptor sewers to direct flows away from the central town area.
  • Removal of seven storm water overflows therefore eliminating point source pollution of the River Swilly.
  • Construction of gravity sewers to facilitate the removal of defective pumping stations including Brookfield Heights and Hazelwood Drive Pumping Stations.
  • Construction of a gravity sewer along Gortlee and Middle Road to divert flows from the existing Ashlawn sewer.
  • De-commissioning of the existing wastewater treatment systems at New Brook Court and at Crievesmith Park.
  • Replacement of existing defective sewers and manholes.
  • Construction of 700 metres of culvert along Circular Road to resolve ongoing storm flooding (in partnership with Donegal County Council Roads Department).

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