Where Does Our Water Come From?

We supply water to more than half a million people in the Lower Hunter region of New South Wales. More than 240,000 properties are connected to our water supply network.

Our Water Sources              

Drinking water sources within our area of operations include:

Learn about our drinking water sources


Our Water Treatment Plants

Hunter Water operates six water treatment plants within its area of operations.

  • Grahamstown
  • Dungog
  • Lemon Tree Passage
  • Anna Bay
  • Nelson Bay 
  • Gresford

Learn about our water treatment processes. 


Moving water around the Lower Hunter

It takes 4,944 km of pipes, 98 pumping stations and 79 reservoirs to transport 68 billion litres of water to our customers each year.

Hunter Water also supplies a small volume of bulk treated water to Midcoast Water customers in Karuah and can supply and receive bulk treated water from Central Coast Council.

Area of Operations Map        


Water Quality

Ensuring we provide a reliable and safe supply of water to our customers is our greatest priority. We have multiple controls in place to ensure our drinking water meets the highest standards, as set out in the Australian Drinking Water Guidelines. Learn more about our drinking water quality commitment.


Rainfall Data

View the rainfall data within our area of operations.