Upper Stony Creek No. 3

As of September 9, 2026, Upper Stony Creek No. 3 is filled to 48.0% of its total capacity, holding roughly 2 hm³ of water out of a maximum 4 hm³. At this level the reservoir is within its normal operating range.

Over the most recent week on record the fill level has fallen by 2.2 percentage points, and it is 13.3 points above its level on the same date a year earlier.

Across the readings we hold for Upper Stony Creek No. 3 — 1087 data points between September 11, 2023 and September 9, 2026 — the level has ranged from a low of 24.1% (August 11, 2025) to a high of 96.9% (January 4, 2024). On average the reservoir is fullest around December and at its lowest around August.

The dam at Upper Stony Creek No. 3 was completed in 1918. It is operated by BOM primarily for water supply. It lies within the Upper Stony Creek Basin basin at 37.820°S, 144.192°E.