A to Z of topics

Explore SEPA’s A–Z list of topics about areas we regulate, guidance we provide, and public information we share. The list includes environmental regulations, compliance advice, and resources for communities and businesses.

Looking for a specific topic? Browse alphabetically, or select a category to filter the results.

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  • Radioactive substances

    SEPA ensures that radioactive substances are managed safely in Scotland. Find out how these substances are managed, including information on permits, technical tools and support for industry.

  • Rainfall and river levels data

    Monitoring rainfall helps protect Scotland’s environment and the health and safety of its people. Explore rainfall data for Scotland.

  • Recycling and food waste (for business)

    Understand your responsibilities to do with recycling, including food waste, as a waste producer in Scotland.

  • Reservoirs

    SEPA is the national regulator for reservoir safety in Scotland. Find information on registration, risk designations, engineer appointments and requirements for authorisation.

  • River Basin Management Planning (RBMP)

    RBMP sets out our actions to improve water quality in Scotland. Find out how we work with partners and regulate activities to protect and improve the Scottish water environment.

  • Rural diffuse pollution

    Diffuse pollution of water is when potential pollutants from farming activities enter the water environment. Find out how SEPA limits harm to the environment.