Water availability There is around 685 GL/yr of water available under allocation limits in the South West region, 60% of which is surface water and 40% groundwater. There is a high proportion of resources fully allocated particularly in areas with the biggest population growth and economic development pressures. Most of the high-quality groundwater resources from…
How we use water About 63% of the South West region’s total water use is by the agriculture sector. 14% is used in urban areas for households, commercial and parks and gardens; while heavy industry and mining make up 12% and 11% of the region’s total water use respectively. Case Studies Seagrasses in the Leschenault…
Projected decline in rainfall Changes in average annual and seasonal rainfall can result in conditions that make a specific location unsuitable for that plant to grow or animal to thrive, i.e. the new rainfall range is outside of that species’ optimal range. The projected changes in rainfall for the South West are severe enough to…