Page 735 - Week 03 - Tuesday, 28 March 2023
the existing grass swales draining the Kambah playing fields, where nutrients have been detected from the use of fertiliser on those playing fields.
The sort of assets that have been constructed in the Tuggeranong catchment are innovative designs to expand our management options for improving water quality outcomes for our lakes and waterways. The government is also working with university and community partners to provide community education and support for positive behaviour change. The Leaf Collective, of course, is the most well-known example of that.
Overall, I am pleased to see, through this sustained investment and favourable weather conditions, some positive signs in this year’s CHIP report.
MR BRADDOCK: I would be interested in what updates you can provide about Yerrabi Pond, Minister.
MR RATTENBURY: Yerrabi Pond received a rating of “fair” in the latest CHIP report, the same as in 2021. There have been algal outbreaks in Yerrabi Pond in recent times, which, again, I know will be a source of frustration for the local community. As part of the Healthy Waterways program, the government recently installed floating wetlands in Yerrabi Pond, to help to improve water quality. The floating wetlands are designed to help to reduce the growth of algae in the lake by lowering nutrient levels locally in the pond water and directly competing with the algae for light.
At about double the size of floating wetlands recently installed in Lake Tuggeranong, the 1,000 square metres of wetland platform has been deployed as multiple platforms in Yerrabi Pond. The reason for doing it this way is to lower the risk of damage by wind or currents. Based on the experience with the floating wetland in Lake Tuggeranong, the Healthy Waterways team are expecting quite rapid plant growth on the Yerrabi floating wetlands. This plant growth will create habitat for waterbirds and other aquatic fauna, with the added benefit of being an attractive addition to the visual lakescape for locals.
While the floating wetlands will help to improve water quality in Yerrabi Pond, my view is that more does need to be done to reduce nutrient levels to a point where nuisance algae are no longer an issue in that water body. The Healthy Waterways team will soon create a catchment plan for Yerrabi Pond. That will plot a pathway to a cleaner future for that waterway. It will include plans for both assets that filter pollution from stormwater, like the floating wetlands, and infrastructure that helps to restore some of the catchment’s natural cleansing function, so that stormwaters do not get polluted in the first place. These will be similar to other examples across the city.
Canberra Health Services—data security
MS CASTLEY: My question is to the Minister for Health. I refer to a statement from the head of the Australian Nurses and Midwifery Federation about the patient privacy breach from last week. He stated that the union had a ‘longstanding relationship with Canberra Health Services around the lawful disclosure of personal information when nurses and midwives had specific concerns around patient safety’.