Lock 5 - Renmark

As of September 8, 2026, Lock 5 - Renmark is filled to 62.5% of its total capacity, holding roughly 23 hm³ of water out of a maximum 37 hm³. At this level the reservoir is within its normal operating range. Of that total, about 23 hm³ is usable (live) storage.

Over the most recent week on record the fill level has held broadly steady (+0.1 pts), and it sits close to where it was a year earlier.

Across the readings we hold for Lock 5 - Renmark — 1095 data points between September 10, 2023 and September 8, 2026 — the level has ranged from a low of 58.8% (April 16, 2026) to a high of 69.9% (October 22, 2025). On average the reservoir is fullest around October and at its lowest around April.

The dam at Lock 5 - Renmark was completed in 1927. It is operated by BOM primarily for water supply. It lies within the River Murray Basin basin at 34.183°S, 140.775°E.