Search toggle

Understanding our catchment

Understanding our catchment

SCA officer in the catchment

WaterNSW conducts research to better understand
our catchments.

Understanding the complex land uses, pollution sources and impacts across the 16,000 kilometres of greater Sydney's drinking water catchment is critical to the work of WaterNSW. This knowledge informs our priorities and decisions about catchment programs.

The following summaries highlight some of our key knowledge and research areas about catchments:

62.8
Monday 22 October
-0.0
1,622,015 ML
2,581,850 ML
9,938 ML
1,420 ML
-656 ML
Monday 22 October