Coolmunda

As of October 7, 2026, Coolmunda is filled to 48.7% of its total capacity, holding roughly 34 hm³ of water out of a maximum 69 hm³. At this level the reservoir is within its normal operating range.

Over the most recent week on record the fill level has held broadly steady (-0.7 pts), and it is 47.3 points below its level on the same date a year earlier.

Across the readings we hold for Coolmunda — 1095 data points between October 9, 2023 and October 7, 2026 — the level has ranged from a low of 48.7% (October 7, 2026) to a high of 98.8% (August 27, 2025). On average the reservoir is fullest around October and at its lowest around May.

The dam at Coolmunda was completed in 1968. It is operated by BOM primarily for water supply. It lies within the Macintyre Brook Basin basin at 28.460°S, 151.245°E.