Lauriston

As of September 7, 2026, Lauriston is filled to 95.7% of its total capacity, holding roughly 19 hm³ of water out of a maximum 20 hm³. At this level the reservoir is high.

Over the most recent week on record the fill level has held broadly steady (+0.6 pts), and it is 13.0 points above its level on the same date a year earlier.

Across the readings we hold for Lauriston — 1080 data points between September 10, 2023 and September 7, 2026 — the level has ranged from a low of 69.7% (July 21, 2025) to a high of 100.0% (September 25, 2023). On average the reservoir is fullest around January and at its lowest around June.

The dam at Lauriston was completed in 1941. It is operated by BOM primarily for water supply. It lies within the Coliban river Basin basin at 37.257°S, 144.383°E.