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Sydney Water and others toured Mulloon to see landscape rehydration making a real impact.

Organisations from across southern Sydney, including Sydney Water, Wollondilly and Campbelltown Councils, First Nation representatives from Gundungurra, Dharawal and Dharug Country, Greater Sydney Local Land Services, and Greater Sydney Landcare visited the Mulloon farms last week. Carolyn Hall, CEO and Nolani McColl, Executive Landscape Planner, hosted the group, showing them landscape rehydration works in action.

This was the first tour for 2026 and brought together a group of stakeholders who have united around the opportunity initiated by Sydney Water to explore the use of nature-based solutions to address water quality, nutrient pollution, erosion and ecological challenges in waterways across Sydney, including tributaries of the Nepean River such as Stonequarry Creek at Picton. 

Sydney Water is exploring how waterway restorations can cost-effectively reduce nutrient pollution, while improving waterway health and integrating Caring for Country principles. This is an unusual project for the Mulloon Institute team: working in peri-urban areas with residential development and changing land use patterns. This has been a rewarding opportunity to explore how landscape rehydration and natural infrastructure can be applied by a metropolitan water utility to deliver on goals to improve water quality and reduce nutrient inputs, while building natural capital in partnership with a diverse group of stakeholders.