Statutory guidance

SR2025 No 6: domestic sewage effluent with a maximum daily volume of 1.5 cubic metres per day to ground

Standard rules for discharges to ground of 1.5 cubic metres per day via a shallow infiltration system not built to British Standard BS6297.

• From: Environment Agency
• Published: 20 April 2026

Applies to England

Documents

SR2025 No 6: domestic sewage effluent with a maximum daily volume of 1.5 cubic metres per day to ground via an infiltration system that is not built to British Standard BS6297

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SR2025 No 6: generic risk assessment – domestic sewage effluent with a maximum daily volume of 1.5 cubic metres per day to ground via an infiltration system that is not built to British Standard BS6297

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SR2025 No 6: guidance – domestic sewage effluent with a maximum daily volume of 1.5 cubic metres per day to ground via an infiltration system that is not built to British Standard BS6297

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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