Mine water management

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Guidance and regulation

• Rivers polluted by abandoned metal mines in Cornwall and Devon
  • Map
  • 17 December 2020
  • Coal Authority
• Managing iron ochre sludge from abandoned coal mines: RPS 262
  • Guidance
  • 7 March 2025
  • Environment Agency
• Nenthead mine water treatment scheme maps
  • Map
  • 20 September 2022
  • Coal Authority
• Nent Haggs mine water treatment scheme maps
  • Map
  • 25 June 2020
  • Coal Authority
• Rivers polluted by abandoned metal mines in England
  • Map
  • 21 February 2020
  • Coal Authority

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News and communications

• Project to improve River South Esk moves into next stage
  • 9 September 2025
  • Mining Remediation Authority
  • News story
• Cabinet Secretary visits landmark mine water heat scheme
  • 30 June 2025
  • Mining Remediation Authority and Welsh Government
  • Press release
• Landmark mine water heat scheme goes live in Wales
  • 27 May 2025
  • Mining Remediation Authority
  • Press release
• Further breakthrough in using mine water to provide green heat
  • 4 March 2025
  • Mining Remediation Authority
  • Press release
• Find out about Coal Authority project to improve River South Esk
  • 3 September 2024
  • Coal Authority
  • News story

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Research and statistics

• Abandoned metal mines in England: baseline length of rivers and estuaries polluted by harmful metals
  • 12 March 2025
  • Environment Agency
  • Research
• Mine waters: challenges for the water environment
  • 22 October 2021
  • Environment Agency
  • Research
• Caplecleugh mine water treatment scheme: reducing pollution from historical metal mining
  • 5 July 2021
  • Coal Authority
  • Research

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Transparency and freedom of information releases

• Environment (Wales) Act 2016 Part 1 Section 6: The Biodiversity and Resilience of Ecosystems
  • 24 December 2019
  • Coal Authority
  • Corporate report

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Organisations

• Mining Remediation Authority

• Environment Agency