Irish Water said algal bloom, which blocks filters, has reduced capacity at the Vartry water-treatment plant at Roundwood, Co Wicklow from 65 million litres to 40 million litres per day. File photograph: Getty Images

An algal bloom has affected the Vartry water-treatment plant at Roundwood, Co Wicklow, resulting in supply being cut off or reduced over(...)

The Dublin water supply system has operated below demand levels on a number of occasions in recent weeks as engineers battle an algal bloom problem at Roundwood, in Co Wicklow. Photograph: Cyril Byrne

Continuing problems with the Dublin regional water supply system have resulted in some homes being temporarily “uninhabitab(...)

TIM O’BRIEN Ongoing problems with the Dublin regional water supply system have resulted in some homes being temporarily “uninhabitable” w(...)