Tonkin Consulting

Long Term Plan for Greater Adelaide

SA Water Corporation

Long Term Plan for Greater Adelaide

SA Water Corporation

Long Term Plan for Greater Adelaide

Stages 1 & 2

The Department of Planning and Local Government launched ‘The 30 Year Plan for Greater Adelaide’ in 2010 defining a long-term vision for the Greater Adelaide Region. Population and dwelling projections from 2008 through to 2038 were a major focus of the plan.

SA Water Corporation commissioned Tonkin Consulting to utilise the population and dwelling projections to address water supply and wastewater master planning having a particular emphasis on treatment plant capacities (water and wastewater).

In Stage 2 of the work, Tonkin Consulting developed GIS tools to research additional populations, dwellings and employment for nominated areas within the Greater Adelaide region. The data captured and analysed with the GIS technology was then further explored and analysed to estimate the future water demands and wastewater production required for each water and wastewater treatment plant region-wide.

Demand and production estimates for 2038 provided the baseline for predicting when the plants would reach capacity during the planning period.

Technical Details

Urban growth areas located outside current wastewater treatment plant’s catchment areas were identified.

These areas were assessed to identify potential requirements for additional water reticulation, wastewater collection systems, and/or treatment systems within the planning period.

The master planning investigation identified the treatment plants which may need to be upgraded in the planning period and/or whether to construct new plants

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