An annual overview of the enforcement activity planned for the non-tidal River Thames.
Updates to this page
Last updated:
1 April 2026
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Non-Tidal River Thames Regulation and Enforcement Plan 1 April 2026 to 31 March 2027 added.
Non-Tidal River Thames Regulation and Enforcement Plan 1 April 2025 to 31 March 2026 added.
Regulation and Enforcement Plan for 2024 to 2025 added.
Non-Tidal River Thames Regulation and Enforcement Plan 1 April 2023 to 31 March 2024 added.
Regulation and Enforcement Plan for 2022 to 2023 added
River Thames Regulation and Enforcement Plan: 1 April 2021 to 31 March 2022 added
How we carry out enforcement: Our communication - amended wording to make it clear that the Environment Agency welcomes reports of suspected offences, but cannot task members of the public to provide information.
River Thames enforcement plan for 2020 to 2021 added
River Thames Compliance Plan for 2019 to 2020 added. Compliance plan for 2017 to 2018 removed.
Compliance Plan for 1 April 2018 to 31 March 2019 added