LLandegfedd Lake

Llandegfedd Lake is free to enter

Brought to you by Welsh Water

Welsh Water’s Privacy Notice

How we use your Personal Information (Visitors) (January 2021)

We know how important it is to you that we look after your Personal Information. To be trusted to do the right thing is one of our core values.  This Privacy Notice explains how we collect, use, share and protect your Personal Information in a way which respects your Data Protection rights and complies with UK Data Protection laws (including the General Data Protection Regulation (GDPR) and Data Protection Act 2018).

  1.  About us

Welsh Water is a not for profit water and sewerage company supplying over three million people with a continuous high quality supply of drinking water and taking away, treating and properly disposing of wastewater in our supply area which covers most of Wales and parts of Deeside and Herefordshire.  Welsh Water is a trading name for Dŵr Cymru Cyfyngedig.  For the purposes of Data Protection laws, Dŵr Cymru Cyfyngedig is the Data Controller (registered office Linea, Fortran Road, St Mellons, Cardiff CF3 0LT and company number 02366777).

The company operates 91 reservoirs varying in size from 2 to 1,026 acres. These include a national portfolio of Visitor Attractions: Llyn Brenig, Elan Valley, Llandegfedd Lake, Llys-y-Fran and Lisvane and Llanishen Reservoir (in development) under its ‘Welsh Water Adventures’ brand. They are hubs for health, wellbeing and recreation with the aim of reconnecting people with water and the environment, whilst maintaining, protecting and enhancing the ecological value of each site.

  • How to contact us

If you want more information about our Privacy Notice, or have any comments or observations about it or about the way that we handle your Personal Information please:

Email our Data Protection Officer at:; or

Write to our Data Protection Officer at: Data Protection Officer, Dŵr Cymru Welsh Water, Linea, Fortran Road, St Mellons, Cardiff CF3 0LT.

If you would like to exercise any of your Data Subject rights (see below for more information) please:

Email us at:; or

Write to us at: Customer Services, Data Subject Rights Request Team, Dŵr Cymru Welsh Water, Linea, Fortran Road, St Mellons, Cardiff CF3 0LT.

You can also contact the Information Commissioner’s Office via or 0303 123 1113 for information, advice or to make a complaint.

  • Our lawful basis for processing your Personal Information

We only process your Personal Information if we: have a lawful basis to do so; the processing is necessary, reasonable and proportionate; and in accordance with the way in which we describe in this Privacy Notice. 

  • What Personal Information we collect about you and what we use it for

The only personal data we will collect from you is the information you choose to provide.

The Personal Information we may collect from you includes:

  • Information about your visits to and use of our website

We will use this Personal Information to:


5. Cookies

We use cookies to monitor and understand how and when you use and navigate our website; and remember your website preferences between page requests. We will use the persistent cookies to enable our website to recognise you when you visit.

To learn more about what cookies we use and how we use them, see our Cookies Policy here.


We welcome your feedback on how we can improve our visitor attraction services. You can do so by contacting Llyn Brenig Visitor Attraction Manager 01490 389 227

6.  Your Data Protection Rights

You have certain rights in relation to your Personal Information and can make different types of Data Subject Rights Requests in relation to the Personal Information we hold on you.  Each of these rights may not apply in all circumstances, but we will ensure that we deal with any request we receive in a way which safeguards your rights and freedoms, and in compliance with the Data Protection laws.

If you would like to make a Data Subject Rights Request, please:

Email us at:;

Write to us at: Customer Services, Data Subject Rights Request Team, Dŵr Cymru Welsh Water, Linea, Fortran Road, St Mellons, Cardiff CF3 0LT; or

Click here for our Data Subject Rights Request form.

Any individual whose information we hold can make a Data Subject Rights Request. A third party can make a request on behalf of an individual (e.g. a relative, friend, lawyer), but we need the consent of the relevant individual before we provide any of their Personal Information to the third party.

Under certaincircumstances, by law you have the right to:

  • Request access to your Personal Information (commonly known as a “data subject access request”). This enables you to receive a copy of the personal information we hold about you and to check that we are lawfully processing it;
  • Request correction of the Personal Information that we hold about you (also known as “rectification”). This enables you to have any incomplete or inaccurate information we hold about you corrected;
  • Request erasure of your Personal Information.  Subject to certain conditions, this enables you to ask us to delete or remove Personal Information (eg. where your Personal Information is no longer needed for the purpose it was collected for, or where the relevant processing is unlawful).  You also have the right to ask us to delete or remove your Personal Information where you have exercised your right to object to processing and there is no overriding legitimate interest to continue that processing (see below);
  • Object to processing of your Personal Information where we are relying on a legitimate interest (or those of a third party), where we process personal data for a task carried out in the public interest or when exercising official authority vested in us and there is something about your particular situation which makes you want to object to processing on this ground;
  • Request the restriction of processing of your Personal Information. This enables you to ask us to suspend the processing of your Personal Information about you (eg. if you want us to establish its accuracy or the reason for processing it);
  • Withdraw your consent to processing.  Where our processing of your Personal Information is based on your consent you have the right to withdraw your consent at any time. If you do decide to withdraw your consent we will stop processing your Personal Information for that purpose, unless there is another lawful basis we can rely on – in which case, we will let you know. Your withdrawal of your consent won’t impact any of our processing up to that point;
  • Request the transfer of your Personal Information to another service provider (ie. also known as the Right to Portability in the event that we are relying on your consent to process that Personal Information;
  • Not to be subject to a decision based solely on “automated processing”. We do not currently carry out any automated processing.

You will not have to pay a fee to access your Personal Information (or to exercise any of the other rights). However, we may charge a reasonable fee if your request for access is clearly unfounded or excessive. Alternatively, we may refuse to comply with the request in such circumstances.

We may need to request specific information from you to help us confirm your identity and ensure your right to access the information (or to exercise any of your other rights). This is another appropriate security measure to ensure that Personal Information is not disclosed to any person who has no right to receive it.

You also have the right to lodge a complaint with the Information Commissioner’s Office, which is the UK data protection regulator. More information can be found on the Information Commissioner’s Office website at

  • Updating our Privacy Notice

We will keep our Privacy Notice updated as our business processes and procedures, and/or the Data Protection laws, change.  Our most up to date version will always be on our website.

  • Customer Privacy Notice

For information on how we handle Welsh Water customer personal data please see our Customer Privacy Notice.