80% of the water they supply to the people of greater Sydney comes from Lake Burragorang at Warragamba.
Most of Sydney's drinking water comes from rainwater stored in lakes surrounded by some of the most unspoilt, native bushland in the region - including world heritage national parks.
They filter 100% of our water to ensure it’s safe to drink straight from the tap. They clean their filters every two days. They monitor the water coming out of their filters 24/7 to ensure it’s safe to drink.
They use advancedtechnology to constantly monitor our water quality at key steps.
Their water quality scientists do up to 70 different tests to confirm our drinking water is of the highest quality.