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Water quality

Research and statistics

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52 results that are All research and statistics, sorted by Updated (newest)
  • Current and future issues for drinking waters, with a review of current measures to address the challenges.

  • The sources of PFOS and pathways into the environment, the amounts in the water environment and restrictions of use.

  • The sources of PBDEs and pathways into the environment, amounts in the water environment and restrictions of use.

  • The problem of nitrates in the water environment, including sources and evidence. Current control measures, potential solutions and approaches.

  • The evidence of faecal contamination, sources of contamination and control measures. Plus a summary of projects addressing evidence gaps.

  • The sources of PAHs and pathways into the environment, the amounts in the water environment and restrictions of use.

  • Impacts of farming on the environment and mechanisms for improvement, plus future challenges and approaches.

  • Eutrophication issues and sources of phosphorus, with current and future problems and solutions.

  • An overview of the state of nature decline challenge. Current actions, plus potential future actions and opportunities to support nature recovery.

  • The uses of mercury and pathways into the environment. The amounts in the water environment and restrictions of use.

  • The scale and impact of chemicals in the water environment. How the challenges are addressed and future challenges and actions.

  • The sources of cypermethrin and pathways into the environment. The amounts of cypermethrin in the water environment and control measures of use.

  • The impacts of urban areas and the transport network on the water environment, with approaches for addressing these and future challenges.

  • The nature, extent and consequences of physical modifications, opportunities for action and balancing priorities.

  • The pressures on water flows, a review of actions to address the challenges, plus future challenges and actions.

  • Impacts of pollution from water industry waste water, how the challenge is being addressed and future challenges and actions.

  • 2025 Bathing Water Compliance results for Northern Ireland.

  • A summary of pollution incident performance for the 9 water and sewerage companies operating in England.

  • This evidence summary supports the 25 Year Environment Plan and its outcome indicator framework.

  • How the Environment Agency has determined the baseline length of rivers and estuaries polluted by harmful metals from abandoned metal mines in England.