Cost Guide


The following table compares the cost of a waterless toilet and separate Greywater system against systems involving the flushing of 35,000 litres per year of water down the toilet. The table is offered only as a guide. Installation costs differ widely depending on local site conditions

Prices

Equipment and
Installation
Ongoing Cost
Waterless toilet with primary Greywater treatment $4,000 – $5,000 Minimal
Septic Tank $5,000 – $10,000 Low
Septic Tank with large sand filter or reed bed $10,000 - $15,000 Low
Aerated water treatment system $10,000 - $15,000 $500
per year