Harding

As of September 6, 2026, Harding is filled to 82.2% of its total capacity, holding roughly 52 hm³ of water out of a maximum 64 hm³. At this level the reservoir is high.

Over the most recent week on record the fill level has held broadly steady (-0.9 pts), and it is 59.9 points above its level on the same date a year earlier.

Across the readings we hold for Harding — 1093 data points between September 10, 2023 and September 6, 2026 — the level has ranged from a low of 15.8% (February 4, 2026) to a high of 105.6% (March 31, 2026). On average the reservoir is fullest around April and at its lowest around January.

The dam at Harding was completed in 1985. It is operated by BOM primarily for water supply. It lies within the Harding River Basin basin at 21.012°S, 117.116°E.