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A £10 million scheme to install new water pipes in the Rhymney Valley has overrun.

Welsh Water, headquartered in Nelson, has said the work will now be completed this summer, pushing back the original spring 2023 target. Work began in 2020.

Around 11km of pipes in Rhymney and Bargoed have already been replaced with a further 2km to be installed in Deri.

The delay was caused by “reduced water levels” in other areas taking priority, according to a spokesperson for Welsh Water.

In 2015, the Drinking Water Inspectorate (DWI) stated water in Rhymney and Bargoed posed a risk – one that could constitute a potential danger to human health. The risks were linked to discolouration and the condition of the pipe network.

Cllr David Nicholas, who represents Deri, told Caerphilly Observer the work was “essential”.

He said: “The thing that causes big problems for residents are road closures during the work. This has been hinted at, but if they happen I am sure they will [be] kept to the [minimum].”

Chris Moore, Project Manager for Welsh Water, said: “As a company, we’re investing £1.8 billion in our water and wastewater network to make sure we can deliver the best service possible for our customers.

“As part of this, we are currently investing £10 million to upgrade the water network within the Rhymney Valley. This will not only help improve the quality of our drinking water for customers in the area, but also help ensure they receive a supply of clean and fresh drinking water for many years to come.  

“We understand that our work has been inconvenient at times, and we’re grateful to the community for bearing with us while we carry out our work. We would like to reassure them that we will get  everything done as quickly and as safely as we can.”   

During the work, Welsh Water, which is a not-for-profit company, has awarded £7,000 to community groups in Rhymney and Bargoed and £5,000 to the local food bank in order to “thank the local community”. 

The Community Fund, which awards funding up to the value of £1,000, is still available for projects in the area which benefit the community and more information can be found here.

Where in Deri will be affected?

Groes-Faen Terrace to New Road, Deri will be affected until work is completed in summer 2023.

Temporary traffic lights will be in place along the route and will be moved as the work moves.

There should not be any disruption to the water supply to houses in the area.