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Dwr Cymru Welsh Water

Welsh Water provides water supply and sewerage services to over three million people in Wales and some adjoining areas of England.

The company operates 81 reservoirs, 105 water treatment works and supplies an average 900 million litres of water every day through a network comprising 27,000km of water mains, 532 pumping stations and 715 service reservoirs. DCWW also collects wastewater (including surface water and highway drainage) through a network of 19,000km of sewers, 1,700 sewage pumping stations and 3,300 combined sewer overflows. Wastewater  is treated at 832 treatment works.

Briton Ferry FAS (2013)
Flood protection provided through a stormwater separation solution
Burry Inlet Investigations (2012)
Retrofit SuDS used to reduce CSO spills into protected shellfish water
Carmarthen Wastewater Improvement Scheme (2012)
Dŵr Cymru Welsh Water resolve pollution and sewer collapses in Historic Carmarthen
Five Fords WwTW (2012)
New anaerobic digestion plant and habitat quality upgrade
Langdon Road Sewage Pumping Station (2012)
Dŵr Cymru Welsh Water refurbishes a critical asset to improve bathing water quality in Swansea Bay
Cardiff & Afan AAD Plants (2011)
DCWW delivers AD plants early, and moves towards power self-sufficiency in wastewater treatment
Cardiff East Control Strategy (2010)
Cardiff East control strategy to low lying flood areas
North Wales MBRs (2010)
Programme to improve MBR performance in North Wales
Northumberland Avenue SPS (2010)
3-channel medium pressure UV disinfection plant
Amlwch WwTW (2009)
£7 million investment at new WTW in North Wales
Steynton (Merlins Bridge) Pumping Station (2009)
Careful planning and commitment lead to success
Bretton WTW (2008)
Combined quality and capital maintenance project
Chester WwTW (2008)
Storm tank discharge and inlet works
Crynant WwTW (2008)
Largest biological contactor & reed bed in Wales installed
Cross Hands WwTW (2007)
£3m expansion to accommodate food park
Eign WwTW (2007)
High rate filter replacement
Morfa Bychan WwTW (2007)
New wastewater treatment works on site of existing headworks
Merthyr Dyfan Wastewater Storage Tank (2006)
An innovative semi-precast concrete solution
Trefor WwTW (2006)
New £1.2 million WwTW
Gowerton WwTW (2005)
Upgrade work to meet consents
Harlech & Llanbedr WwTWs (2005)
“Greenfield” WwTW schemes for coastal communities
Huxley Green UIDs (2005)
Eliminating UID problem & reducing local flooding
South-Mid Ceredigion Water Supply (2005)
Curing shortfall now & catering for predicted 25 yrs growth
Cardigan Catchment Solution (2004)
Part of Welsh Water’s £1.2 billion investment programme
Five Fords WwTW (2004)
Whole catchment solutions challenge the norm
Holyhead WwTW (2004)
Full SBR treatment & environmental benefits to area
Llangefni WwTW (2003)
New Biological Nutrient Removal Scheme (BNR) for 30,000 PE
Llangrannog WwTW (2003)
£1.3m investment at Cardigan Coast village
Pontsticill WTW (2003)
Solving concrete corrosion problem at DAF plant
Porthcawl CSOs (2003)
£5.8m investment cleans up the sea at popular resort
Broomy Hill WTW (2002)
Extensive upgrade provides essentially new asset
Colwyn Bay CSO Improvement Scheme (2002)
Combined surface water and CSO improvement scheme
Garnswilt WwTW (2002)
Combined sewer overflows & waste water treatment works
Prestatyn & Llanasa WwTW (2002)
New WwTW in constrained site will serve two catchments