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Uisce Éireann Irish Water

Incorporated in July, 2013 as a company under the Water Services Act 2013, Uisce Éireann (fomerly Irish Water) brings the water and wastewater services of the 31 local authorities together under one national service provider.

The company is responsible for the operation of all public water and wastewater services including management of national water and wastewater assets, maintenance of the water and wastewater system, investment and planning, managing capital projects and customer care and billing.

Ballymore Eustace Water Treatment Plant (2025)

Filter upgrade project: reviews, assessments, upgrading and replacement of operationally critical equipment at a major water treatment plant

ECI 1A Package Plants (2025)

Providing Uiscé Éireann with additional flexibility in addressing water compliance issues and production shortfalls during upgrade works

Kilkenny City Regional Water Supply Scheme (2025)

A comprehensive upgrade of water intake, treatment, and distribution to secure long-term supply

Longwood Treated Water Storage Tank (2025)

Ensuring security of a safe, sustainable supply of water to the Longwood Water Supply Zone

Ringsend Sludge Line Enhancement (2025)

Delivering capacity, resilience and sustainability at Ireland’s largest sludge processing facility

Saggart Reservoir (2025)

Reservoir expansion and on-site electro-chlorination plant to enhance storage, resilience, and sustainability for the Greater Dublin Area’s water supply

Ballina Wastewater Treatment Plant (2024)

Upgrade of the existing treatment plant to increase treatment capacity

Boherbue Wastewater Treatment Plant (2024)

A flagship project for sustainable and carbon saving treatment processes setting a precedent for industry-wide innovation and best practices

Arklow Long Sea Outfall (2023)

September 2022 saw the successful completion of a new kilometre outfall pipeline in Arklow, Ireland. The lack of wastewater treatment facilities in Arklow resulted in untreated wastewater being discharged directly to the Avoca River. The design and construction of a new wastewater treatment plant and long sea outfall was required to improve the water quality […]

Lee Road Water Treatment Plant (2023)

Lee Road Water Treatment Plant (WTP) provides approximately 70% of Cork City’s total treated water supply. Water is taken from the River Lee, treated and then pumped to reservoirs in the north-west of the city through a system of rising mains. Water is distributed to consumers throughout the city via a network of gravity distribution […]

Ringsend WwTP: Phosphorus Fixation (2023)

Resource recovery for agricultural fertiliser use, while protecting the water quality in Dublin Bay

Quin WwTP (2022)

Quin Wastewater Treatment Plant (WwTP) is a small works serving a rural village in County Clare in the west of Ireland. The plant has been operating with a capacity of approx. 650 population equivalent (PE) and is operated and controlled by Irish Water. It discharges into the River Rine which flows to the Shannon Estuary, […]

Ringsend Main Lift Pumping Station (2021)

Ringsend Main Lift Pumping Station (MLPS) is located at Pigeon House Road, Ringsend, Dublin 4 and forms a critical part of the overall Dublin Drainage Network. It is operated by Dublin City Council and is under the joint control of the Local Authority and Irish Water. The MLPS pumps unscreened, unfiltered wastewater from the city […]

SWELL - Shared Waters Enhancement & Loughs Legacy Project (2021)

The Shared Waters Enhancement & Loughs Legacy (SWELL) project is an extensive programme of work being led by NI Water working in partnership with Irish Water, the Agri-Food & Biosciences Institute (AFBI), Loughs Agency and East Border Region. Funded under the EU’s INTERREG VA Programme, managed by the Special EU Programmes Body, the €35m project […]

Ardsbeg WTW (2020)

Ardsbeg Water Treatment Works (WTW) is located in a remote area in the north of Co. Donegal in Ireland and treats water from a lake source to serve local villages of Gortahork and Falcarragh as well as rural farms and dwellings. The WTW was originally built in the 1960s and was modified in 2003. However, […]

Nereda in Ireland (2017)

Nereda® is an innovative, sustainable and cost-effective biological wastewater treatment technology that purifies water using the unique features of aerobic granular biomass; purifying bacteria that create compact granules with superb settling properties. The technology was originally discovered by the Delft University of Technology in the Netherlands, and developed in a unique public-private partnership between the […]

Wicklow Wastewater Upgrade Bundle (2017)

County Wicklow is situated on the east coast of Ireland, south of Dublin. Kilcoole WwTP is located off Sea Road and the surrounding topography is agricultural farmland. The WwTP at Kilpedder is a bordered by woodlands and private dwellings, while access to Redcross WwTP is by a caravan park in Redcross. All three sites are […]

Dublin New Water Resources (2004)

Major water supply problem for capital city Dublin

Lough Owel WTW (2003)

Using membranes as a cryptosporidium barrier

Cork Main Drainage Scheme (2002)

Lough Mahon Crossing & Ballinure Header Chamber

Dublin Strategic Drainage Study (2002)

Major planning study for sustainable drainage infrastructure