Welsh Water are responding to a burst pipe in the town.
A number of properties and businesses in the Middlemarsh area have been affected with either no water or low pressure.
The water company says engineers plan to full restore supply by late afternoon.

Person found dead on railway track
Strike at Abergavenny King Henry School parents react
Teachers strike continues at Abergavenny school
Eight-figure sum quoted to fix Ledbury station access
Relief road pledge could put five proposed rail stations at risk