This does not contribute to transparency for the users. Indoor water tariffs are highly inelastic, whereas outdoor use and leakage are more sensitive to pricing. A fixed tariff and fixed price for usage seem appropriate for the Australian situation. The question of riverine pollution was raised, referring to mining waste water release, both advertant and inadvertant. Australia has regulated its mining industry fairly highly concerning new developments.
Problems still exist with old mines, where the polluting company no longer exists.
In NSW computer based drip irrigation is replacing furrows and sprinklers. The cotton industry has developed and implemented best practice procedures concerning pesticides impacts on river environments. Methods are widely available but not always used in selecting the most equitable of all options. Salinity control is being addressed through extensive research and rural programs funded through the Commonwealth Natural Heritage Trust Fund. Conclusions Australian practices can serve as an example in coping with droughts.