Reservoir · Tasmania · Australia · BOM Water Data Online
Lake Barrington
13.1% full
Capacity
179.9 hm³
Volume stored
24 hm³
Year completed
1969
Coordinates
41.369°S, 146.239°E
Last updated
2026-10-12
Current fill
13.1%vs 7 days ago
-4.8%losing
vs 1 year ago
-9.7%year-over-year
7-day trend
↓falling
Drought context
Storage vs October average
73%of normal
13.1% full on 2026-10-12, against an average of 18.0% for October across 4 years of readings (-4.9 points).
Rain over the last three months · 21 September 2026
Moderately dry
In the three months to 21 September 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 −1.00). 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: 2026-10-12.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -41.369, 146.239 · Open in Google Maps
About Lake Barrington
As of October 12, 2026, Lake Barrington is filled to 13.1% of its total capacity, holding roughly 24 hm³ of water out of a maximum 180 hm³. At this level the reservoir is critically low. Of that total, about 70 hm³ is usable (live) storage.
Over the most recent week on record the fill level has fallen by 4.8 percentage points, and it is 9.7 points below its level on the same date a year earlier.
Across the readings we hold for Lake Barrington — 1094 data points between October 15, 2023 and October 12, 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.
Key facts
- Current fill level
- 13.1%
- Water stored
- 24 hm³
- Total capacity
- 180 hm³
- Usable capacity
- 70 hm³
- 7-day change
- ▼ 4.8 pts
- Year-on-year
- ▼ 9.7 pts
- Primary use
- Water supply
- Year completed
- 1969
- Operator
- BOM
- Coordinates
- 41.369°S, 146.239°E
- Last updated
- October 12, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 12 Oct 2026 | 13.1% | 24 |
| 11 Oct 2026 | 13.2% | 24 |
| 10 Oct 2026 | 13.1% | 24 |
| 9 Oct 2026 | 13.2% | 24 |
| 8 Oct 2026 | 13.4% | 24 |
| 7 Oct 2026 | 14.2% | 25 |
| 6 Oct 2026 | 16.3% | 29 |
| 5 Oct 2026 | 17.9% | 32 |
| 4 Oct 2026 | 16.6% | 30 |
| 3 Oct 2026 | 16.2% | 29 |
| 2 Oct 2026 | 16.2% | 29 |
| 1 Oct 2026 | 17.0% | 31 |