Disclaimer: The numbers we report show our year-to-date progress against regulatory targets listed in Ofwat’s Final Determination. All the numbers we report have been checked thoroughly internally. While we make every effort to report accurately, all information undergoes a final internal review and external audit each year, so numbers may differ slightly at year end. Our final annual position is reported on this website and in our Annual Performance Report. You can read more about how we check and assure our data in our Assurance Plan.