Boil Water Notice!

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Updated: 11:30 24 November 2024

This Boil Water Notice affects customers living in the following areas:

Blaenrhondda, Blaencwm, Tynewydd, Treherbert, Treorchy, Cwm-parc, Pentre, Ton Pentre, Gelli, Tonypandy

During the course of routine daily checks we make on water quality, we identified an issue with quality of water at Tynywaun water treatment works.

As a precaution whilst we investigate further, we have issued a boil notice to customers served by this works.

This comes following heavy rain in the affected areas over the last 24 hours as a result of Storm Bert.

All customers in these areas are advised to boil their water with immediate effect before using it for drinking or cooking purposes.

We appreciate the inconvenience of boiling water, but hope customers understand the reason for us taking this necessary step. Our teams will continue to work round the clock to investigate the cause.

We will provide more information as it becomes available, visit in your area or check our social media channels for further updates. Our boil water notice page available here also includes a postcode checker to identify those areas affected.

Boil Water Notice


If you have received notification that there are problems with the water in your area and that your tap water may be contaminated, please follow the relevant advice.

If you are unsure whether this affects you please use the postcode checker below:

Check if you are affected

Enter your postcode below to check if there are any problems that may be affecting your area


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A boil notice is not currently in place at your postcode. If this does change then we'll be in touch.

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