Murky wa­ter pos­si­ble


Main­te­nance of a pump sta­tion in West Auck­land may lead to tem­po­rary wa­ter dis­col­oration.

Water­care will be do­ing es­sen­tial main­te­nance near Tri­an­gle Rd from 10pm on June 24.

They have ad­vised some West and North Auck­land cus­tomers might see tem­po­rary wa­ter dis­col­oration overnight as a re­sult.

How­ever, wa­ter will still be treated and safe to drink.

Wa­ter colour should re­turn to nor­mal by 11am the fol­low­ing day.

Water­care’s trans­mis­sion man­ager Sharon Danks said Water­care chose to do the work at night while most were asleep to min­imise the po­ten­tial im­pact on res­i­dents.

She said the dis­col­oration oc­curs due to min­eral de­posits, such as man­ganese, set­tling at the bot­tom of the wa­ter pipes and re­mains there.

‘‘When work is car­ried out that changes the di­rec­tion or speed of wa­ter flow in the pipes, like we are do­ing at Tri­an­gle Rd, it can loosen these de­posits and re­lease them into the wa­ter flow, caus­ing tem­po­rary dis­coloura­tion,’’ Danks said.

‘‘We’ll be mon­i­tor­ing the wa­ter sup­ply dur­ing the work and ex­pect any in­stances of dis­coloured wa­ter, if they oc­cur, to be brief.’’

Pos­si­ble sub­urbs af­fected are Glen Eden, Massey, West Har­bour, Green­hithe, When­u­a­pai, Hob­sonville, Herald Is­land, Hob­sonville, Te Atatu and Sun­ny­vale.

Res­i­dents are ad­vised to avoid wash­ing white laun­dry or cloth­ing dur­ing this time, in case of ac­ci­den­tal dis­coloura­tion.

Waitakere Hospi­tal and West­gate Mall will not be af­fected.

Con­structed in 2015, the pump sta­tion will boost pres­sure and wa­ter flows in the North Har­bour Num­ber One wa­ter­main, which is at ca­pac­ity dur­ing sum­mer months.

It is ex­pected to as­sist sup­ply for the next 10 years un­til another North Har­bour wa­ter­main and pro­posed Western stor­age should be in op­er­a­tion. If you ex­pe­ri­ence dis­coloured wa­ter af­ter 11am on June 25, phone Water­care on 09 442 2222 and select op­tion one.

Find out more about the work by vis­it­ing Water­care and search­ing for ‘Tri­an­gle Road’.

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