Reservoir · Tasmania · Australia · BOM Water Data Online
Lake Barrington
12.9% full
Capacity
179.9 hm³
Volume stored
23 hm³
Year completed
1969
Coordinates
41.369°S, 146.239°E
Last updated
2026-09-07
Current fill
12.9%vs 7 days ago
+1.9%gaining
vs 1 year ago
-6.6%year-over-year
7-day trend
↑rising
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: 2026-09-07.
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 September 7, 2026, Lake Barrington is filled to 12.9% of its total capacity, holding roughly 23 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 risen by 1.9 percentage points, and it is 6.6 points below its level on the same date a year earlier.
Across the readings we hold for Lake Barrington — 1090 data points between September 14, 2023 and September 7, 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
- 12.9%
- Water stored
- 23 hm³
- Total capacity
- 180 hm³
- Usable capacity
- 70 hm³
- 7-day change
- ▲ 1.9 pts
- Year-on-year
- ▼ 6.6 pts
- Primary use
- Water supply
- Year completed
- 1969
- Operator
- BOM
- Coordinates
- 41.369°S, 146.239°E
- Last updated
- September 7, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 7 Sep 2026 | 12.9% | 23 |
| 6 Sep 2026 | 14.9% | 27 |
| 5 Sep 2026 | 15.3% | 28 |
| 4 Sep 2026 | 13.3% | 24 |
| 3 Sep 2026 | 12.0% | 22 |
| 2 Sep 2026 | 11.0% | 20 |
| 1 Sep 2026 | 11.1% | 20 |
| 31 Aug 2026 | 11.0% | 20 |
| 30 Aug 2026 | 10.7% | 19 |
| 29 Aug 2026 | 11.9% | 21 |
| 28 Aug 2026 | 13.2% | 24 |
| 27 Aug 2026 | 14.5% | 26 |