Environmental guidance for your business in Northern Ireland & Scotland
You must get a trade effluent consent or enter into a trade effluent agreement with your water and sewerage company before you discharge trade effluent into a public foul sewer. It's important you do this to avoid causing serious damage to the sewage system and creating a risk of danger to public health.
Trade effluent is any liquid waste resulting from non-domestic or industrial activity. It includes:
If your effluent is hazardous, you must dispose of it as hazardous/special waste.
You must have a trade effluent consent or agreement if you:
If you're already discharging trade effluent to the public foul sewer without permission, you should stop immediately and contact your water and sewerage company.
You must arrange for a new trade effluent consent or agreement if:
You may also need prior authorisation from either the Northern Ireland Environment Agency (NIEA) or Scottish Environment Protection Agency (SEPA) for effluents containing dangerous substances, or if you have a pollution prevention and control permit. You should check with the NIEA or SEPA, or your water and sewerage company if you are unsure whether you need authorisation.
Trade effluent consents and agreements
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