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Environment Agency gov.uk

Guidance: River modelling: technical standards and assessment

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The Fluvial Modelling Standards are currently undergoing an update. The update should be completed by the end of 2027. To aid us in the update a short survey on these standards can be found here: Fluvial Modelling Standards External Consultation Survey – Fill in form. This survey closes on 6th of November 2026.

These standards are techniques that you can use in the fields of hydrological analysis and hydraulic modelling. Use this best practice guidance to help you:

  • build hydraulic models using the source, pathway, receptor and model approach concept
  • maintain consistency across the flood risk management industry
  • improve the quality of your applications
  • plan and prioritise targeted model updates

    • These standards are also available as a PDF (LIT56326) that gives more background information for hydraulic modelling and uses technical and scientific language.

    Email [email protected] to request a copy of the PDF.

    You can use the Microsoft Excel-based fluvial model assessment tool (LIT56342) alongside these standards. The tool will help you assess the quality of a hydraulic model without completing a full technical review.

    Email [email protected] to request a copy of the tool.

    We also provide coastal modelling standards. These explain how to:

    This is an extract. The publication continues at the source.

    Contains public sector information licensed under the Open Government Licence v3.0. Licence

    Read the original at the source: https://www.gov.uk/government/publications/river-modelling-technical-standards-and-assessment

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    Environment Agency — imported from official source
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    November 02, 2026 15:00
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    https://www.gov.uk/government/publications/river-modelling-technical-standards-and-asse...

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