Journal of Environmental and Public Health / 2015 / Article / Tab 4

Review Article

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

Table 4

Type of OWTS approved by DOHWA periods 1997–2011.

NumberLocationSystem typeYearTotal Total per LG
979899000102030405060708091011

1BelmontATU      1                  3  425
Unknown      52    1  1  142521

2CockburnSeptic tank196953  7843833518489
ATU112    1                  5

3CueSeptic tank                      2      23
Treatment plant                        1    1

4DandaraganSeptic tank    27473136                  141141

5DerbyUnknown393817222934291381517156149305305

6Donnybrook-BalingupUnknown                            111

7EsperanceSeptic tank          111      33131324
ATU                      12238
Composting toilet                  1          1
Others                      1    12

8FremantleSeptic tank11                  1      34
Composting toilet      1                      1

9GosnellsSeptic tank                      1      13
ATU                  1        12

10JoondalupSeptic tank101    1                    1212

11KalamundaSeptic tank                 32324642448
ATU                32  533319
Treatment plant                            11
Others                    11  2  4

12ManjimupSeptic tank6141171588424  3      8292
ATU1121          2  2      9
Composting toilet        1                    1

13MundaringSeptic tank11153    2  19109    5146176
ATU  211  2      11    2212
Greywater              1              1
NRS                  2          2

14MurchisonTreatment plant                      2      22

15PlantagenetSeptic tank                  1  1      22

16Port HedlandSeptic tank                    92426132294114
ATU                    1122410
Treatment plant                            11
Others                    311139

17Serpentine-JarrahdaleSeptic tank                      112  413
ATU                    111429

18Stirling Septic tank8201478    1  11        6069
ATU  3231                    9

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