Taipei to cut off tap wa­ter when nec­es­sary dur­ing typhoons

The China Post - - LOCAL -

Taipei City has set a cri­te­rion of tur­bid­ity where tap wa­ter sup­ply will be cut off dur­ing typhoon pe­ri­ods.

When it ex­ceeds 12,000 neph­elo­met­ric tur­bid­ity units (NTU), wa­ter sup­ply will be cut off, ac­cord­ing to new guide­lines made in re­sponse to com­plaints from cit­i­zens about hav­ing to use murky wa­ter dur­ing Typhoon Soude­lor about two weeks ago.

The Taipei Wa­ter Depart­ment (TWD) has also called on cit­i­zens to save wa­ter brac­ing for the ap­proach­ing Typhoon Goni, which is ex­pected to af­fect Tai­wan dur­ing the week­end.

Chen Chi-hsiang, head of the TWD, ex­plained that at 6,000 NTU, the wa­ter pro­cess­ing plants will re­duce in­take of raw wa­ter, which will re­sult in the sus­pen­sion of tap wa­ter sup­ply to more than 200,000 house­holds in ar­eas in New Taipei City, in­clud­ing Ban­qiao, Shenkeng, Xinzhuang, Tais­han and Wugu.

When the pro­cess­ing plants com­pletely stop tak­ing raw wa­ter at more than 12,000 NTU, house­holds with­out their own wa­ter stor­age fa­cil­i­ties in New Taipei (Yonghe, Xin­dian, and Xizhi dis­tricts) and Taipei (Shih­lin, Tianmu, Beitou, and Muzha dis­tricts) will im­medi- ately be left with­out tap wa­ter, ac­cord­ing to Chen.

Within 24 hours, tap wa­ter sup­ply to more than 1.3 mil­lion house­holds will be com­pletely cut off, Chen added.

It will take some time be­fore wa­ter sup­ply re­sumes, ac­cord­ing to the TWD.

If the pro­cess­ing plants have stopped tak­ing raw wa­ter for six hours, it will take about three hours to re­sume sup­ply to the house­holds. If the sus­pen­sion lasts for 24 hours, it will take two days, the TWD said.

When tap wa­ter sup­ply is cut off, res­i­dents can ob­tain wa­ter at 21 public wa­ter sup­ply sta­tions, the TWD said, adding it will also dis­patch wa­ter trucks to com­mu­ni­ties, as well as hos­pi­tals.

Res­i­dents in the Greater Taipei area have given mixed re­sponses to the new guide­lines. Some say they would rather tol­er­ate murky wa­ter than a com­plete cut-off, while oth­ers say they would save up wa­ter be­fore­hand rather than spend money clean­ing mud-cov­ered wa­ter stor­age fa­cil­i­ties af­ter­ward.

Dur­ing Soude­lor, the TWD did not cut off wa­ter sup­ply although NTU reached 30,000. Res­i­dents in Greater Taipei had to use murky wa­ter for three days.

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