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From 1 September 2022, the definition of ‘extractive activities’ in Schedule 1 of the POEO Act has changed.

The NSW Government's Hunter River Salinity Trading Scheme uses market-based economic instruments for the effective protection of waterways.

Salty water is only discharged when there is a lot of low salt, fresh water in the river. Every 2 years, a credit auction is conducted, where people can trade their salt discharge credits. People can only discharge the amount that their credits allow.

Participants in the Hunter River Salinity Trading Scheme (HRSTS) must discharge only when a river register has been issued for a given river block, under Clause 20 of the HRSTS Regulation.

Every 2 years, 200 new salt credits are created to replace expired ones. Credits have a lifespan of 10 years.

Salt credit auctions are conducted every 2 years.

This page provides instructions to login to the online auction, using the interface and bidding.

200 credits were auctioned on 24 April, raising more than $2.5 million. The money covers the costs of managing the Hunter River Salinity Trading Scheme.