Hafren Dyfrdwy will be carrying out essential water main improvement works along Waterfall Street, Llanrhaeadr-ym-Mochnant.
Around 1.8km of new water mains will be installed to help reduce leaks and bursts and improve the reliability of water supplies to homes and businesses.
The roadworks are expected to start on Monday 2 November 2026 and continue until mid-February 2027. A road closure will be in place daily from 8.30am to 4.30pm. Pedestrian access will be maintained throughout, and access to homes and businesses will be maintained wherever possible.
Hafren Dyfrdwy is also holding a drop-in session for residents and businesses who would like to find out more or ask questions about the work:
Thursday 8 October 2026
4.00pm–7.00pm
Llanrhaeadr-ym-Mochnant Public Hall & Institute, Back Chapel Street, SY10 0JY
Any planned interruptions to individual water supplies will be notified in advance, and Hafren Dyfrdwy will aim to keep disruption to a minimum.
For enquiries specifically about the works, contact Hafren Dyfrdwy on 07971 304604 during office hours, Monday to Friday, 8am–5pm. For general water or sewerage enquiries, call 0800 085 8033.