Western Australia

As of September 8, 2026, the reservoirs we track across Western Australia that report live levels hold roughly 10,919 hm³ of water — about 92.3% of their combined capacity. Taken together, Western Australia's reservoirs are high.

Across the region, 2 reservoirs are at critically low levels and 2 are low. Argyle (Ord River) is the fullest at 97.1%, while Harris is the lowest at 16.0%.

Over the most recent week on record, 4 reservoirs rose and 1 reservoir fell across Western Australia.

Storage figures for Western Australia come from BOM; the most recent reading is from September 8, 2026. Each reservoir below links to its own page with full history and seasonal context.