Wilsons

As of August 30, 2026, Wilsons is filled to 98.6% of its total capacity, holding roughly 1 hm³ of water out of a maximum 1 hm³. At this level the reservoir is high.

Over the most recent week on record the fill level has risen by 10.2 percentage points, and it is 86.1 points above its level on the same date a year earlier.

Across the readings we hold for Wilsons — 1071 data points between September 10, 2023 and August 30, 2026 — the level has ranged from a low of 0.0% (May 25, 2025) to a high of 98.6% (August 30, 2026). On average the reservoir is fullest around August and at its lowest around April.

The dam at Wilsons was completed in 1891. It is operated by BOM primarily for water supply. It lies within the Lal Lal Creek Basin basin at 37.510°S, 144.019°E.