Statutory guidance

SR2025 No 7: domestic sewage effluent with a maximum daily volume of 5 cubic metres per day to surface water

Standard rules for discharges to surface water of 5 cubic metres per day using equipment that does not conform to the British Standard or where the receiving watercourse does not always have flow, or both.

• From: Environment Agency
• Published: 20 April 2026

Applies to England

Documents

SR2025 No 7: domestic sewage effluent with a maximum daily volume of 5 cubic metres per day to surface water using non-British Standard equipment or where the watercourse does not always have flow, or both

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SR2025 No 7: generic risk assessment – domestic sewage effluent with a maximum daily volume of 5 cubic metres per day to surface water using non-British Standard equipment or where the watercourse does not always have flow, or both

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SR2025 No 7: guidance – domestic sewage effluent with a maximum daily volume of 5 cubic metres per day to surface water using non-British Standard equipment or where the watercourse does not always have flow, or both

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Details

You can apply for this standard rules permit if: 

• your activity meets the rules set out in the permit 
• you can manage the potential risks as set out in the generic risk assessment

You should read the guidance document to check whether you can meet the rules before applying.

Published 20 April 2026