Better car washing
https://archive.gw.govt.nz/better-car-washing
Everything that goes into the gutter ends up in local streams and eventually the sea via our stormwater systems. Water from car washing contains pollutants like detergent, dirt, metal particles and oils, which are carried directly to the sea. Here they can seriously affect fish and other aquatic life.
Keeping carwash water out of drains and stormwater systems is a great way to keep our streams and beaches healthy.
Follow these tips when you wash your car: