r dyffryn dyfrdwy type public limited company industry public utility founded 1863 as wrexham waterworks company 1997 headquarters packsaddle rhostyllen wrexham united kingdom number of employees 3 000 parent dee valley group plc lse dvw subsidiaries wrexham water plc website http www.deevalleywater.co.uk dee valley water d r dyffryn dyfrdwy is a company which supplies drinking water services to parts of north east wales and parts of north west england . its parent entity dee valley group plc has shares are listed on the ftse fledgling index on the london stock exchange . it is regulated under the water industry act 1991 . contents 1 history 1.1 wrexham waterworks company 1.2 chester waterworks company 1.3 merger 2 operations 3 references 4 external links history edit wrexham waterworks company edit after wrexham achieved its charter of incorporation in 1857 attentions turned to a proper water supply for the town as residents relied on wells and the river gwenfro for their water supply which contained trade effluence from the many breweries leatherworks and brickworks present . in 1863 the wrexham waterworks company was first established with the aim of pumping water from nearby pentrebychan west enough of the town to not be influenced by pollution . the first works opened in the same year were primitive with only a reservoir and slow sand filter for water treatment these were made obsolete by the construction of an impounding reservoir further upstream in 1878 this reservoir named cae llwyd has a capacity of 11 million us gallons 42 000 m3 . in 1904 demand had again increased and the company now supplied parts of cheshire as well as wrexham . to meet this increased demand a new larger reservoir was built named ty mawr big house which opened in 1907 . the same act of parliament that allowed the construction also authorised the name change of wrexham waterworks company to the wrexham and east denbighshire water company . the construction of these works also enabled the construction and expansion of the treatment works at legacy in 1921 as well as the construction of legacy water tower by 1934 . pumps had also been installed at disused mines notably at minera lead mines to extract water in times of drought . legacy water tower during the 1950s there was a period of consolidation . the company acquired several other local water supply companies including those at nearby ruabon and brymbo as well as undertakings previously run by district councils . the company also took possession of the large water extraction works at sesswick built by the ministry of works to supply rof wrexham during world war ii . in 1983 the expansion of the company dictated that larger offices were required . the headquarters at egerton street were sold and the company moved to new purpose built offices at packsaddle rhostyllen . 1 chester waterworks company edit a water supply system has been present in chester since roman times with water taken from the river dee and small local sources . 2 there certainly appears to have been a well at christleton to the east of the city in the 14th century 3 and by 1537 records reveal a conduit being built from broughton to convey water into the city . in 1838 the city of chester waterworks company was established inheriting an intake at the causeway now called chester weir and elsewhere in the city . the chester weir intake remains in use . merger edit in 1994 the wrexham and east denbighshire water company was re organised into a plc known as wrexham water plc and the new parent company dee valley group plc was established to act as a holding company to the new company . in 1997 the group purchased chester waterworks plc and over the next year combined operations from both entities into the current dee valley water plc. in 2002 dee valley group plc was listed on the london stock exchange with the ticker code dvw . 4 operations edit dee valley water supplies water for wrexham and chester and some surrounding areas . however the company does not provide sewerage or sewage disposal services which are provided in the main by welsh water with some smaller areas having waste services provided by severn trent water and united utilities . the company abstracts more than 70 million litres of water per day from six abstraction points ; the majority being from two main abstraction points on the river dee and less from the companies own reservoirs such as pendinas reservoir . less than a 10th is taken from two underground sources . 5 this water is treated at six water treatment works one for each abstraction point boughton legacy pendinas llwyn onn oorog spring plemstall borehole the treated water is then relayed by gravity and pumps to 31 service reservoirs and then on to customers . 6 references edit dee valley water history a history of the county of chester volume 5 part 2 the city of chester culture buildings institutions a history of water in chester lse dvw water resources annual report of water quality external links edit dee valley water dee valley group v t e united kingdom water industry water and sewerage companies in england anglian water northumbrian water severn trent water southern water south west water thames water united utilities wessex water yorkshire water water only companies in england affinity water albion water bournemouth water bristol water cambridge water company cholderton and district water company essex and suffolk water hartlepool water portsmouth water south east water south staffordshire water sutton and east surrey water scotland scottish water government northern ireland northern ireland water government wales dee valley water welsh water not for profit crown dependencies jersey water guernsey water isle of man water and sewerage authority english regulators consumer council for water drinking water inspectorate environment agency water services regulation authority ofwat retrieved from https en.wikipedia.org w index.php title dee valley water & oldid 741566189 categories water companies of the united kingdomcompanies of walesformer nationalised industries of the united kingdomsocial economywater supply and sanitation in waleshidden categories pages using infobox company with unsupported parameters navigation menu personal tools not logged intalkcontributionscreate accountlog in namespaces article talk variants views read edit view history more search navigation main pagecontentsfeatured contentcurrent eventsrandom articledonate to wikipediawikipedia store interaction helpabout wikipediacommunity portalrecent changescontact page tools what links hererelated changesupload filespecial pagespermanent linkpage informationwikidata itemcite this page print export create a bookdownload as pdfprintable version languages add links this page was last modified on 28 september 2016 at 08 38 . text is available under the creative commons attribution sharealike license ; 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