Reservoir · Tasmania · Australia · BOM Water Data Online
Lake Barrington
14.4% full
Capacity
179.9 hm³
Volume stored
26 hm³
Year completed
1969
Coordinates
41.369°S, 146.239°E
Last updated
2026-07-28
Current fill
14.4%vs 7 days ago
-0.1%losing
vs 1 year ago
+1.6%year-over-year
7-day trend
→stable
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: 2026-07-28.
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 July 28, 2026, Lake Barrington is filled to 14.4% of its total capacity, holding roughly 26 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 held broadly steady (-0.1 pts), and it is 1.6 points above its level on the same date a year earlier.
Across the readings we hold for Lake Barrington — 1095 data points between July 30, 2023 and July 28, 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
- 14.4%
- Water stored
- 26 hm³
- Total capacity
- 180 hm³
- Usable capacity
- 70 hm³
- 7-day change
- ▼ 0.1 pts
- Year-on-year
- ▲ 1.6 pts
- Primary use
- Water supply
- Year completed
- 1969
- Operator
- BOM
- Coordinates
- 41.369°S, 146.239°E
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 14.4% | 26 |
| 27 Jul 2026 | 14.5% | 26 |
| 26 Jul 2026 | 14.3% | 26 |
| 25 Jul 2026 | 13.9% | 25 |
| 24 Jul 2026 | 15.0% | 27 |
| 23 Jul 2026 | 16.4% | 30 |
| 22 Jul 2026 | 17.5% | 31 |
| 21 Jul 2026 | 18.4% | 33 |
| 20 Jul 2026 | 18.5% | 33 |
| 19 Jul 2026 | 18.2% | 33 |
| 18 Jul 2026 | 17.3% | 31 |
| 17 Jul 2026 | 16.1% | 29 |
Frequently asked questions
What is the current water level of Lake Barrington?
As of July 28, 2026, Lake Barrington is at 14.4% of its capacity, holding approximately 26 hm³ of water, according to BOM data.
Is Lake Barrington reservoir full?
No. As of July 28, 2026, Lake Barrington is critically low at 14.4% of its capacity, so it is not full.
Is the water level at Lake Barrington rising or falling?
The level at Lake Barrington has been broadly stable over the latest week on record (-0.1 points).
How much water can Lake Barrington hold?
Lake Barrington has a total capacity of 180 hm³, of which about 70 hm³ is usable storage.
Where is Lake Barrington reservoir located?
Lake Barrington is located in Tasmania, Australia (coordinates 41.369°S, 146.239°E).
When was Lake Barrington dam built?
The dam at Lake Barrington was completed in 1969.
What is Lake Barrington used for?
Lake Barrington is used primarily for water supply, and is managed by BOM.