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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  • Data and returns

    SEPA collects and publishes a range of environmental data for Scotland. As an operator, you may be required to submit environmental data. Explore published data or submit your own data here.

  • Data centres

    Data centres are subject to a number of environmental regulations depending on their design and operation. Learn about SEPA's role in relation to data centres and the associated activities that we regulate.

  • Deposit Return Scheme

    Scotland is introducing a deposit return scheme (DRS), expected to launch in October 2027. When you buy a drink in a single-use container, you'll pay a deposit which you get back when you return your empty bottle or can.

  • Digital waste tracking

    Digital waste tracking will be introduced in Scotland from 2027. Learn about the new regulations, including who must comply and how to prepare.

  • Dredging

    Dredging is the removal of sediment from a river channel and can impact flooding and farm waterflow. Find out about dredging regulations and guidance.

  • Duty of care (Waste)

    The Duty of Care is a legal responsibility that applies to everyone managing waste. Learn about what duties apply to you.