The Swamp Enter Via Banksia Street at the end go left and...

You will find this.. but hang on what is this

A road through the swamp leading all the way back to Wattle Street Creek

This is acting as a filter and temporary dam for SEWAGE, this then flows on into Sydney Catchment Area

Enjoy the water SYDNEY

The Tea Tree's cut down are leaving a layer of Tea Tree oil on the creek it flows into, this in turn flows into Sydney Catchment Area which collects the drinking flavored water for Sydney.