About Water and Sewer services

The Central Coast’s urban water supply system incorporates three dams, three weirs, three water treatment plants, over 50 reservoirs and more than 2,200 kilometres of pipelines. Every day, we supply around 80 million litres of water to about 120,000 properties. Find out more about our services and how we plan and report.

This plan outlines how we will deliver on our service promises made to our community.

Water supply services

The Central Coast has the third largest water supply system in New South Wales. Find out about our dams and catchments and water storage levels.

Water treatment process

The Central Coast has three water treatment plants. Find out about how Council treats and disinfects its water to ensure you have a top quality supply straight from your tap.

Central Coast Water Security Plan

This is the long-term water strategic plan for the Central Coast region which aims to ensure we have sufficient water into the future.

Sewage treatment

Our sewerage system collects wastewater from homes and workplaces and flows this to the treatment plants. Find out more including what you can do to help keep the system operating efficiently.

Water and Sewer Customer Charter and Customer Complaints Management Framework

Developed with the community.

Water and Sewer Community Engagement and Education Strategy

Developed with the community.