Managing demand - Urban Water Strategy

Wannon Water's Urban Water Strategy 2017-2065 is a blueprint for supplying water to the growing south-west Victorian community until 2065.

Consistent with the Victorian Government's Water for Victoria plan, the strategy recognises the inter-relationship between water, the needs of the environment and the needs of communities.  It forecasts water demand and assesses potential new water sources to meet the future needs of our communities.

The strategy shows predicts the population served by Wannon Water will grow from about 84,172 in 2016 to 113,472 in 2065, and predicts rapid growth in water demand over the first five years of the strategy from our 13 major customers.

However, it also shows that the south-west is well placed to provide for this increasing regional growth through a secure urban water outlook.

A snapshot of the Urban Water Strategy 2017-2065 shows:

  • Groundwater-supplied systems will have sufficient supply to meet projected demand for the next 50 years;
  • Of the surface water systems, Glenthompson would require augmentation in coming years to avoid water restrictions if demand increases or supply falls;
  • No other augmentation works are rquired to be undertaken in the first five years of the strategy to meet forecast demand for water;
  • Even if a high-demand scenario was to eventuate in regions supplied by the Otway system (by far the largest of Wannon Water's systems), augmentation would not be required until 2030; and
  • The innovative Roof Water Harvesting Project is already alleviating demand from the Otway system, with 100 per cent of the water for the Russells Creek growth corridor provided by the annual volume harvested from residential roofs. (This project will expand over the next 30 years).

The Water Supply Demand Strategy was prepared in consultation with customers, local councls, industry, businesses, other water agencies and traditional owner groups. It is a living document subject to a major review every five years.

Annual Water Outlooks - November 2016

Water System Atlases - March 2017