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Guidance: Low risk waste positions: effluent and sludge

Environment Agency

January 14
09:50 2025

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These LRWPs include wastewater and water treatment sludges and other process sludges.

If the Environment Agency provides a LRWP for an activity, you can carry it out without an environmental permit for a waste operation provided that you meet all the conditions.

The Environment Agency may review its LRWPs. It may decide the activity is no longer suitable for a LRWP or that the conditions need changing. You must regularly check that the LRWP you are benefiting from is still in place.

LRWPsfor effluent and sludge that have been withdrawn

LRWP75 was withdrawn on 14 January 2025 as it has been replaced by the regulatory position statementStoring and treating filter bed media: RPS 322.

LRWP90 was withdrawn on 14 January 2025 as it has been replaced by the regulatory position statementTreating solid waste from composting toilets: RPS 318.

Updates to this page

Published 20 August 2019
Last updated 14 January 2025 +show all updates
  1. Removed low risk waste positions (LRWPs)75 and 90 as they have been replaced by regulatory position statements (RPSs) for the same activities. Added links to the RPSs in the publication detail.

  2. Added: Treating solid waste from composting toilets: LRWP 90.

  3. Published a new low risk waste position - 'Storing and treating filter bed media: LRWP 75'.

  4. First published.

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