The Central Coast Council’s drinking water supply serves more than 350,000 people. Until August 2024, water was pumped from Ourimbah Creek weir into Mardi Dam, and then treated for drinking water.

https://www.abc.net.au/news/2026-02-07/pfas-contamination-investigation-ourimbah-creek-catchment-nsw/106037472

The Central Coast Council’s drinking water supply serves more than 350,000 people. Until August 2024, water was pumped from Ourimbah Creek weir into Mardi Dam, and then treated for drinking water.

https://www.abc.net.au/news/2026-02-07/pfas-contamination-investigation-ourimbah-creek-catchment-nsw/106037472