Korweinguboora Reservoir

As of September 12, 2026, Korweinguboora Reservoir is filled to 92.4% of its total capacity, holding roughly 2 hm³ of water out of a maximum 2 hm³. At this level the reservoir is high.

Over the most recent week on record the fill level has fallen by 5.4 percentage points, and it is 74.7 points above its level on the same date a year earlier.

Across the readings we hold for Korweinguboora Reservoir — 1087 data points between September 14, 2023 and September 12, 2026 — the level has ranged from a low of 0.4% (June 3, 2026) to a high of 99.6% (August 21, 2026). On average the reservoir is fullest around August and at its lowest around May.

The dam at Korweinguboora Reservoir was completed in 1910. It is operated by BOM primarily for water supply. It lies within the Moorabool River East Branch Basin basin at 37.503°S, 144.145°E.