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Water quality in the UK

Statistics report on the water quality in the United Kingdom

All waters in the United Kingdom are well protected by strict regulations. Nonetheless, even if the water quality in the UK meets standards for certain parameters, there are still serious problems, among which pollution incidents that hamper the wellbeing of aquatic ecosystems. This report presents statistics about the water quality in the UK. It looks into factors affecting water quality, as well as quality figures of drinking water, bathing waters, and water bodies in general.

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Table of contents

Overview

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  • Premium Statistic Countries with the highest sanitation and drinking water scores worldwide 2022
  • Premium Statistic Water supply consumer price index (CPI) annual in United Kingdom (UK) 2008-2023
  • Premium Statistic Liters of sewage treated daily by water utilities in the UK FY 2023, by company
  • Basic Statistic Drinking water quality compliance in the United Kingdom 2022, by country

Factors affecting water quality

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  • Premium Statistic Sewage discharge occurrences during storm overflows in England and Wales in 2023
  • Premium Statistic Number of pollution incidents caused by water firms in the UK FY2023, by company
  • Premium Statistic Serious pollution incidents from water and sewage companies in England 2013-2022
  • Premium Statistic Number of times water firms discharged raw sewage into England waterways 2023
  • Premium Statistic Number of reported sewage discharges in Scotland 2018-2022
  • Premium Statistic Water pollution incidents in Northern Ireland 2001-2022

Drinking water quality

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  • Basic Statistic Drinking water quality compliance in England 2021-2022, by parameter
  • Basic Statistic Drinking water quality compliance in Scotland 2022, by parameter
  • Basic Statistic Drinking water quality compliance in Wales 2022, by parameter
  • Basic Statistic Drinking water quality compliance in Northern Ireland 2022, by parameter

Bathing water quality

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  • Premium Statistic Bathing water quality in the UK 2023, by country
  • Basic Statistic Bathing water quality in England 2015-2022
  • Premium Statistic Bathing water quality in Wales 2017-2023
  • Premium Statistic Bathing water quality in Scotland 2015-2023
  • Basic Statistic Bathing water quality in Northern Ireland 2018-2023

Ecological status of water bodies

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  • Premium Statistic Surface water bodies with good ecological status in England 2019, by type
  • Premium Statistic Groundwater bodies with good ecological status in England 2009-2019
  • Premium Statistic Surface water bodies' ecological status in Wales 2020, by type
  • Premium Statistic Water quality in surface water bodies in Scotland 2022
  • Premium Statistic Water quality in groundwater bodies in Scotland 2022
  • Basic Statistic Surface water bodies with good ecological status in Northern Ireland 2021, by type
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