If your business involves the manufacture or processing of materials such as chemicals, metal finishing, food and drink manufacture or even if you operate a car wash or laundrette, and you discharge wastewater into our sewer, then it is likely that you will need a trade effluent consent from us.
Trade effluent is any liquid waste (effluent) that is discharged into our sewers from a business or an industrial process. This can be anything other than basic toilet flushing, washing and personal cooking (known as domestic sewage) or uncontaminated surface water and roof drainage.
In order for you to be allowed to discharge trade effluent into the public sewer, you need our permission to do so. We call this a ‘trade effluent consent’ and it is a legal requirement for trade effluent discharges to be agreed with us.
Trade effluent control applies to all businesses from independent traders to large multinational companies. Even small discharges of only a few litres a day may require consent. Please note: ground remediation projects are also subject to our agreement.
If you have a spillage or emergency on site
In the event of a spillage of trade waste at your premises, you’ll need to take action quickly in order to prevent or minimise any discharge to the sewerage network. You should have an Incident Management Procedure in place, and all your employees should be familiar with it; in addition, site drainage plans and Material Safety Data Sheets should be readily available for viewing by the appropriate people. If there has been a spillage, please take the following actions:
- As far as possible, please prevent the spilled material from entering any drains on site.
- If the spilled material has passed into the site drainage system, please contact us immediately (within normal working hours, contact your Local Regulatory Controller; if the spillage occurs out of office hours, contact our customer services number 0345 6723 723.
You may also need to contact the Environment Agency
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