Supply of Water Services on Rottnest Island
To view or download a copy of a Rottnest Island Water Utility report please see below.

Established is a strong co-operative relationship between the Rottnest Island Authority (RIA) and the Department for Health in managing drinking water quality and protecting public health, integrating all facets of drinking water quality management and assurance systems.The Memorandum of Understanding between the RIA and the Department of Health remains in effect, having been extended by mutual agreement.
Both the Department and RIA recognise that the practices and processes used to establish and maintain the high level of drinking water quality, need to be open and transparent to the community. Accordingly, RIA commits to ensure that performance will be reported in a timely manner with those reports and other water related documents available below.
- 2019-2020 Rottnest Island Annual Drinking Water Report PDF 1.72 MB
- July to September 2020 Rottnest Island Quarterly Drinking Water Report PDF 0.65 MB
- January to March 2020 Rottnest Island Quarterly Drinking Water Quality Report PDF 0.65 MB
- October to December 2019 Rottnest Island Quarterly Drinking Water Report PDF 0.60 MB
- 2018-2019 Rottnest Island Annual Drinking Water Report PDF 2.18 MB
- Rottnest Island Drinking Water Quality Policy PDF 0.76 MB
- 2019 Water Sewerage and Irrigation Licence Performance Datasheets XLSX 0.23 MB
- October to December 2017 Rottnest Island Quarterly Drinking Water Report PDF 1.17 MB
- 2017 to 2018 Annual Drinking Water Quality Report PDF 2.40 MB
- 2016 to 2017 Annual Drinking Water Quality Report PDF 1.17 MB
- 2015 to 2016 Annual Drinking Water Quality Report PDF 1.38 MB
- April to June 2020 Rottnest Island Quarterly Drinking Water Report PDF 0.65 MB
- 2019 Memorandum of Understanding between Department of Health and RIA PDF 0.34 MB
- Water Customer Services Manual 2016 PDF 0.44 MB
- 2014 to 2015 Annual Drinking Water Quality Report PDF 1.35 MB
- 2013 to 2014 Annual Drinking Water Quality Report PDF 1.13 MB
- 2012 to 2013 Annual Drinking Water Quality Report PDF 3.93 MB
- 2011 to 2012 Annual Drinking Water Quality Report PDF 7.20 MB
- 2010 to 2011 Annual Drinking Water Quality Report PDF 4.23 MB
- 2018 Water Services Code of Conduct Customer Service Standards PDF 0.18 MB