Gong Gong

As of August 30, 2026, Gong Gong is filled to 119.9% of its total capacity, holding roughly 2 hm³ of water out of a maximum 2 hm³. At this level the reservoir is effectively full.

Over the most recent week on record the fill level has held broadly steady (-1.3 pts).

Across the readings we hold for Gong Gong — 59 data points between July 3, 2026 and August 30, 2026 — the level has ranged from a low of 48.4% (July 3, 2026) to a high of 122.3% (August 21, 2026).

The dam at Gong Gong was completed in 1877. It is operated by BOM primarily for water supply. It lies within the Fellmeongers Creek Basin basin at 37.545°S, 143.935°E.