treatment plant installation
Under the GBRs, anyone with a septic tank discharging into a watercourse must replace it or upgrade it by 1 January 2020, or sooner if the property is sold before this date, or if the Environment Agency (EA) finds that it is causing pollution.
Systems can be replaced by:
Septic tank conversion units can be used to upgrade an existing surface water discharging septic tank, but a permit is required for this and evidence must be provided that it will treat to the equivalent standard as a sewage treatment plant.