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Northern Ireland Water

Throughout Northern Ireland there are approximately 795,000 domestic, agricultural, commercial and business properties connected to the public water supply and 660,000 connected to the public sewerage system.

The company supplies 619 million litres of water every day and treats 134 million cubic metres of wastewater each year. The company operates 40 impounding reservoirs, 44 major water treatment works (65 in total), 490 service reservoirs, 287 water pumping stations and 26,500 km of water mains. The company also owns and operates 1,194 wastewater pumping stations, 14,500 km of sewers and 1,124 wastewater treatment works.

Stoneyford Integrated Constructed Wetland (2015)
NI Water’s innovative new pilot wetland solution
Newry Road Wastewater Pumping Station (2014)
Reducing spills to Carlingford Lough and protecting low lying areas of the local catchment from flooding
Benone Area Sewerage Scheme (2013)
Complex wastewater treatment upgrade project to protect the quality of bathing water
Newcastle WwTW (2013)
An £8m NI Water investment to meet future bathing water standards
Keady WwTW (2012)
£5m Investment to construct one of the largest RBC sites in Europe
Whitehead, Ballcarry & Ballystruder Rationalisation (2012)
£7m investment for the Islandmagee Peninsula
Castlecaulfield WwTW (2011)
New RBC plant in County Tyrone with a 2030 design horizon
Derrylin WwTW (2010)
Fixed film technology provides a high standard wastewater treatment
Enniskillen WwTW (2010)
£13.5m investment with a 2030 design horizon
Hamiltonsbawn WwTW (2010)
New Inclined Bubble Aeration process with a 2030 design horizon
Cookstown WwTW (2008)
£14m treatment plant breathes new life into local river
North Coast Wastewater Treatment Scheme (2008)
Extensive sewerage upgrade improves NI bathing waters
Claudy & Sion Mills WwTW (2007)
Two new Northern Ireland wastewater treatment works
North Down & Ards WwTW - Project Omega (2007)
First time WwTW for north of Ards Peninsula
Belfast WwTW - Scrubber Plant (2006)
New scrubber effluent treatment plant
Carran Hill WTW (2006)
New £10m WTW for Crossmaglen & district
Carrickfergus & Whitehouse WwTWs (2006)
Belfast North Shore Project
North Coast Wastewater Treatment Scheme (2006)
Most complex wastewater & bathing waters scheme in N Ireland
North Down & Ards WwTW - Site Selection (2006)
A review of site selection and methodology
Ballyclare WwTW (2005)
£9.5M scheme for Northern Ireland
Culmore WwTW (2005)
Upgrade to meet treatment & new discharge regulations
Larne WwTW (2005)
Compliance with EU bathing & urban water directives
Portglenone WwTW (2005)
DRD Water Service – Portglenone WwTW improvements
Ballynacor WwTW - Sludge Reclying Centre (2004)
Network control system critical to plant’s continuous operation
Ballymena WwTW (2003)
£10m Northern Ireland scheme extends existing facilities
Banbridge WwTW (2003)
New plant doubles capacity on existing restricted site
Lough Macrory WTW (2003)
State-of-the art automation for new NI WTW
Newry WwTW (2002)
Upgrade using new treatment process