Blog - Consulting Engineers
May 11, 2026
There are several circumstances in which a permit is required rather than relying on the General Binding Rules. Common examples include: Discharging into a seasonally dry watercourse. A private borehole within 50 metres of your septic tank drainage field. Discharging more than 2m³ per day to the ground or more than 5m³ per day to […]
There are several circumstances in which a permit is required rather than relying on the General Binding Rules. Common examples include:
Discharging into a seasonally dry watercourse.
A private borehole within 50 metres of your septic tank drainage field.
Discharging more than 2m³ per day to the ground or more than 5m³ per day to a watercourse.
A drainage field that does not meet the relevant British Standard.
A system that includes a reed bed or discharges via a septic tank to a watercourse.
A system within a specified distance of a SSSI, SAC or SPA.
Sewage that is not classified as domestic.
If you are unsure whether you need a permit, contact us. We will assess your situation and advise – and can submit the application on your behalf if required.
Contact one of our specialist across our four divisions
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