Guide

Water and sewerage charges for businesses

Trade effluent charges

Trade effluent is any liquid waste which is produced by any trade or industry process at trade premises. It does not include wastewater that is considered to be domestic sewage. Domestic sewage is charged separately. Trade effluent includes waste water contaminated with:

What constitutes trade effluent?

  • fats, oils and greases
  • chemicals
  • detergents
  • heavy metal rinses
  • solids
  • food waste

Northern Ireland Water (NI Water) will charge according to the amount and strength of effluent before it is discharged into the sewers. Trade effluent charges.

You must have the consent of NI Water before you discharging trade effluent into public sewers.