Journal of Environmental and Public Health / 2015 / Article / Tab 2

Review Article

A Review of On-Site Wastewater Treatment Systems in Western Australia from 1997 to 2011

Table 2

OWTS approved by DOHWA (1997–2011).

System type199719981999200020012002200320042005200620072008200920102011

Septic tank454362716145181410203150373544
ATU277613003621081614
Treatment plant000000000002102
Composting toilet000010000100000
Others00000001243134
System not specified 39381727313429148161716101611

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