Welsh Water say they've been able to gain access to the water treatments site at Mayhill.
Staff have begun accessing the damage and develop a plan to get the water works back up and running.
More than 40 tankers have been helping pump water into the system which has helped keep supplies to the majority of its customers.
Water bottle stations remain in place at Monmouthshire Comprehensive School, Redbrook Road and Trellech Primary School.
Person found dead on railway track
A person has been found dead on the railway tracks at Abergavenny railway station.
Strike at Abergavenny King Henry School parents react
School staff who teach children with additional learning needs have returned to work despite ongoing industrial action.
Teachers strike continues at Abergavenny school
A second teachers strike at a school grappling with a deficit of more than £2 million is due to take place this week.
Eight-figure sum quoted to fix Ledbury station access
A long-standing problem at a Herefordshire railway station could cost £10 million to put right.
Relief road pledge could put five proposed rail stations at risk
Promises to revive the abandoned M4 relief road pose a threat to confirmed plans for five new rail stations in and around Newport.
Light rain shower
High: 12°C | Low: 1°C
Light rain shower
High: 11°C | Low: 1°C
Sunny intervals
High: 11°C | Low: 1°C
