ECOS
ECOS
Water
Waste
Wastewater
Resource Efficiency
Licences & Permits

When is a licence to discharge wastewater needed?

The Water Pollution Act (1977) defined a ‘trade effluent’ as an effluent, “which is discharged from premises used for carrying on any trade or industry (including mining) but does not include domestic sewage or storm water”. All ‘trade effluents’ must be licensed. Discharges of domestic-type wastewater (sewage) from commercial and industrial premises to municipal sewers...

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