Reservoir · Tasmania · Australia · BOM Water Data Online
Lake Barrington
14.0% full
Capacity
179.9 hm³
Volume stored
25 hm³
Year completed
1969
Coordinates
41.369°S, 146.239°E
Last updated
2026-10-26
Current fill
14.0%vs 7 days ago
+0.4 ppgaining
vs 1 year ago
-5.8 ppyear-over-year
7-day trend
→stable
Drought context
Storage vs October average
81%of normal
14.0% full on 2026-10-26, against an average of 17.2% for October across 4 years of readings (-3.2 points).
Rain over the last three months · 11 October 2026
Moderately dry
In the three months to 11 October 2026 the area around Lake Barrington had well below normal rain, a shortfall seen about one year in six. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −1.26). Rain, not storage. Australia drought figures →
Data source: Bureau of Meteorology — Water Data Online (KiWIS) — daily mean storage volume, quality-controlled. Capacity from the BOM Water Storages ArcGIS layer (total design capacity in ML). Last reading: 2026-10-26.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 41.369°S, 146.239°E · Open in Google Maps
About Lake Barrington
As of October 26, 2026, Lake Barrington is filled to 14.0% of its total capacity, holding 25.15 hm³ of water out of a maximum 179.9 hm³. At this level the reservoir is critically low. Of that total, 69.5 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (+0.4 pp), and it is 5.8 points below its level on the same date a year earlier.
Across the readings we hold for Lake Barrington — 1094 data points between October 29, 2023 and October 26, 2026 — the level has ranged from a low of 5.7% (May 14, 2026) to a high of 26.3% (September 2, 2024). On average the reservoir is fullest around September and at its lowest around June.
The dam at Lake Barrington was completed in 1969. It is operated by BOM primarily for water supply. It is at 41.369°S, 146.239°E.
Key facts
- Current fill level
- 14.0% of total capacity
- Water stored
- 25.15 hm³
- Total capacity
- 179.9 hm³
- Usable capacity
- 69.5 hm³
- 7-day change
- ▲ 0.4 pp
- Year-on-year
- ▼ 5.8 pp
- Primary use
- Water supply
- Year completed
- 1969
- Operator
- BOM
- Coordinates
- 41.369°S, 146.239°E
- Last updated
- October 26, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 26 Oct 2026 | 14.0% | 25.15 |
| 25 Oct 2026 | 13.5% | 24.22 |
| 24 Oct 2026 | 12.6% | 22.64 |
| 23 Oct 2026 | 11.6% | 20.83 |
| 22 Oct 2026 | 10.7% | 19.26 |
| 21 Oct 2026 | 11.4% | 20.45 |
| 20 Oct 2026 | 12.5% | 22.42 |
| 19 Oct 2026 | 13.6% | 24.55 |
| 18 Oct 2026 | 13.9% | 25.1 |
| 17 Oct 2026 | 12.8% | 23.04 |
| 16 Oct 2026 | 12.4% | 22.3 |
| 15 Oct 2026 | 10.9% | 19.68 |