Adelaide: Key findings

For the water account period 1 July 2024 to 30 June 2025

  • Rainfall in the Adelaide region during 2024–25 was the lowest on record, contributing to the region's driest 24-month period on record.
  • Total storage volume in the Adelaide region decreased by approximately 15% during the reporting period, finishing at 39.5% full on 30 June 2025, the lowest end-of-year storage volume since 1999–00.
  • Approximately 60% of surface water and groundwater resources in the Adelaide region were taken during the reporting period, primarily for surface water diversions to the urban system.

Climate and water

Rainfall

Rainfall icon

361 mm

43% below the average of 629 mm

Streamflow

Streamflow icon

below average

thoughout the year

Storage

Storage icon

39.5% full

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14.0% less than last year

Water use from all sources

Water sourced

Graph showing breakdown of water sources used in the Adelaide region.

Water supplied

Graph showing breakdown of water users in the Adelaide region.

* Includes non-allocated water use

Water status of water resources

Water availability

288 GL

surface water available in 2024–25

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27% less than last year

Water accessible

427 GL

total surface water and groundwater accessible in 2024–25

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6% less than last year

Water taken

250 GL

total surface water and groundwater taken in 2024–25

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slightly more than last year