A review of acid sulfate soil impacts, actions and policies that impact on water quality in Great Barrier Reef catchments, including a case study on remediation at East Trinity

A case study is presented of the East Trinity site near Cairns, a failed sugar cane development that episodically discharges large amounts of acid into Trinity Inlet, resulting in periodic fish kills. Details are presented of scientific investigations, and a lime-assisted tidal exchange strategy that are being undertaken to remediate a serious ASS problem.