Geelong, Golden Plains, Bellarine and Surf Coast system

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The Geelong, Golden Plains, Bellarine and Surf Coast system is our largest system, supplying water to more than 90 per cent of our customers. The other systems are Colac, Lorne, Apollo Bay and Gellibrand.


Our challenge
Under a scenario of high population growth and the worst impacts of climate change, we may need to find or save an extra 50,000 million litres of water each year for this system, within the next 50 years. This target is even greater given we need to return water to rivers to meet the needs of the environment and Traditional Owners.

Under a worst-case scenario of high climate change and high population growth, there is an increased possibility of harsher water restrictions, more often and for longer, by 2027.

Our response icon

Our response

Our adaptive plan to respond to the challenge faced by Geelong, Golden Plains, Bellarine and Surf Coast is set out over three time horizons:

  • the actions we propose in the next five years, corresponding with the life of the strategy and our next regulatory price period
  • the actions and opportunities we expect to pursue over the 50-year horizon of the strategy to ensure a secure water future for our region
  • what we will do in the event of drought or an emergency to ensure that service levels are maintained.

In the next 5 years:

Find more water icon
Find more water
  • GG1 Extend the reach of the Melbourne-Geelong Pipeline so that it can supply more of Geelong, Bellarine and Surf Coast, allowing water to be returned to the Moorabool River for Traditional Owner cultural values and environmental needs
  • GG2 Put more recycled water to productive use
  • GG3 Continue to investigate and increase our readiness to implement long-term actions, to help inform our 2027 Water for our Future strategy
Smarter Water Use icon
Smarter water use
  • GG4 Work with customers to save water through our sustainable water use program
  • GG5 Expand our use of smart technology to help reduce costs and save water across our networks and in our homes and businesses
  • GG6 Maintain efforts to continually optimise our system, so that we can make best use of available water resources and entitlements.
Integrated water management icon
Integrated water management
  • GG7 Start delivery of the integrated water management plan for the new Northern and Western Geelong Growth Areas, including construction of a “purple pipe” network to supply Class A recycled water
  • GG8 Work with the City of Greater Geelong, Golden Plains Shire, Surf Coast Shire and Borough of Queenscliffe to progress localised integrated water management opportunities
  • GG9 Support improved flows and waterway health on the Barwon River by undertaking complementary river rehabilitation works

In the next 50 years:


Find more water

Implement a large-scale alternative water source so that we can transition from climate-dependent to climate-independent sources and return more water to our rivers, by accessing a share of the State’s next major water supply augmentation

Continue to work towards our goal of achieving 100% reuse of recycled water by 2030



Smarter Water Use icon
Smarter water use
Continue to work with customers to encourage smarter water use, including through the use of innovative technologies


Integrated water management icon
Integrated water management
Adopt an integrated water management approach when planning all future urban growth, in partnership with the City of Greater Geelong, Golden Plains Shire, Surf Coast Shire and Borough of Queenscliffe

During drought or emergency:

Find more water icon
Find more water
Activate the Anglesea borefield from “standby” to “operational” mode if storage levels at Wurdee Boluc reservoir fall below defined trigger points

Commission ultra-low lift pump stations if storage levels at Wurdee Boluc fall below defined low levels

Smarter Water Use icon
Smarter water use
Implement water restrictions if total system storage levels fall below defined trigger points



What you can expect:

Image of text "Restrictions likelihood: Very rare"

Our adaptive planning approach focuses on the actions we propose to take over the next five years to help prepare us for the future.

The combination of these actions will reduce the gap between supply and demand by 7,750 million litres, shifting the time frame for when we will be unable to reliably meet the water needs of customers in our Geelong, Golden Plains, Bellarine and Surf Coast system from 2027 to 2037, under a worst-case scenario of high climate change and high population growth.

In the meantime, we expect water restrictions will be very rare over the next five years (<1%, or 3 weeks out of 5 years).


The Geelong, Golden Plains, Bellarine and Surf Coast system is our largest system, supplying water to more than 90 per cent of our customers. The other systems are Colac, Lorne, Apollo Bay and Gellibrand.


Our challenge
Under a scenario of high population growth and the worst impacts of climate change, we may need to find or save an extra 50,000 million litres of water each year for this system, within the next 50 years. This target is even greater given we need to return water to rivers to meet the needs of the environment and Traditional Owners.

Under a worst-case scenario of high climate change and high population growth, there is an increased possibility of harsher water restrictions, more often and for longer, by 2027.

Our response icon

Our response

Our adaptive plan to respond to the challenge faced by Geelong, Golden Plains, Bellarine and Surf Coast is set out over three time horizons:

  • the actions we propose in the next five years, corresponding with the life of the strategy and our next regulatory price period
  • the actions and opportunities we expect to pursue over the 50-year horizon of the strategy to ensure a secure water future for our region
  • what we will do in the event of drought or an emergency to ensure that service levels are maintained.

In the next 5 years:

Find more water icon
Find more water
  • GG1 Extend the reach of the Melbourne-Geelong Pipeline so that it can supply more of Geelong, Bellarine and Surf Coast, allowing water to be returned to the Moorabool River for Traditional Owner cultural values and environmental needs
  • GG2 Put more recycled water to productive use
  • GG3 Continue to investigate and increase our readiness to implement long-term actions, to help inform our 2027 Water for our Future strategy
Smarter Water Use icon
Smarter water use
  • GG4 Work with customers to save water through our sustainable water use program
  • GG5 Expand our use of smart technology to help reduce costs and save water across our networks and in our homes and businesses
  • GG6 Maintain efforts to continually optimise our system, so that we can make best use of available water resources and entitlements.
Integrated water management icon
Integrated water management
  • GG7 Start delivery of the integrated water management plan for the new Northern and Western Geelong Growth Areas, including construction of a “purple pipe” network to supply Class A recycled water
  • GG8 Work with the City of Greater Geelong, Golden Plains Shire, Surf Coast Shire and Borough of Queenscliffe to progress localised integrated water management opportunities
  • GG9 Support improved flows and waterway health on the Barwon River by undertaking complementary river rehabilitation works

In the next 50 years:


Find more water

Implement a large-scale alternative water source so that we can transition from climate-dependent to climate-independent sources and return more water to our rivers, by accessing a share of the State’s next major water supply augmentation

Continue to work towards our goal of achieving 100% reuse of recycled water by 2030



Smarter Water Use icon
Smarter water use
Continue to work with customers to encourage smarter water use, including through the use of innovative technologies


Integrated water management icon
Integrated water management
Adopt an integrated water management approach when planning all future urban growth, in partnership with the City of Greater Geelong, Golden Plains Shire, Surf Coast Shire and Borough of Queenscliffe

During drought or emergency:

Find more water icon
Find more water
Activate the Anglesea borefield from “standby” to “operational” mode if storage levels at Wurdee Boluc reservoir fall below defined trigger points

Commission ultra-low lift pump stations if storage levels at Wurdee Boluc fall below defined low levels

Smarter Water Use icon
Smarter water use
Implement water restrictions if total system storage levels fall below defined trigger points



What you can expect:

Image of text "Restrictions likelihood: Very rare"

Our adaptive planning approach focuses on the actions we propose to take over the next five years to help prepare us for the future.

The combination of these actions will reduce the gap between supply and demand by 7,750 million litres, shifting the time frame for when we will be unable to reliably meet the water needs of customers in our Geelong, Golden Plains, Bellarine and Surf Coast system from 2027 to 2037, under a worst-case scenario of high climate change and high population growth.

In the meantime, we expect water restrictions will be very rare over the next five years (<1%, or 3 weeks out of 5 years).


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Page last updated: 13 January 2022, 11:44