Reservoir · Tasmania · Australia · BOM Water Data Online
Lake Meadowbank
42.1% full
Capacity
59.7 hm³
Volume stored
25 hm³
River
Derwent River
Year completed
1968
Coordinates
42.554°S, 146.760°E
Last updated
2026-10-25
Current fill
42.1%vs 7 days ago
-4.1 pplosing
vs 1 year ago
-5.3 ppyear-over-year
7-day trend
↓falling
Drought context
Storage vs October average
94%of normal
42.1% full on 2026-10-25, against an average of 44.6% for October across 4 years of readings (-2.5 points).
Rain over the last three months · 11 October 2026
Severely dry
In the three months to 11 October 2026 the area around Lake Meadowbank had far less rain than normal, a shortfall seen about one year in fifteen. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −1.79). 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: 2026-10-25.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. 42.554°S, 146.760°E · Open in Google Maps
About Lake Meadowbank
As of October 25, 2026, Lake Meadowbank is filled to 42.1% of its total capacity, holding 25.14 hm³ of water out of a maximum 59.7 hm³. At this level the reservoir is within its normal operating range.
Over the most recent week on record the fill level has fallen by 4.1 percentage points, and it is 5.3 points below its level on the same date a year earlier.
Across the readings we hold for Lake Meadowbank — 1094 data points between October 28, 2023 and October 25, 2026 — the level has ranged from a low of 4.8% (May 31, 2024) to a high of 48.8% (September 2, 2024). On average the reservoir is fullest around September and at its lowest around May.
The dam at Lake Meadowbank was completed in 1968. It is operated by BOM primarily for water supply. It lies within the Derwent River Basin basin at 42.554°S, 146.760°E.
Key facts
- Current fill level
- 42.1% of total capacity
- Water stored
- 25.14 hm³
- Total capacity
- 59.7 hm³
- 7-day change
- ▼ 4.1 pp
- Year-on-year
- ▼ 5.3 pp
- Primary use
- Water supply
- River
- Derwent River
- River basin
- Derwent River Basin
- Year completed
- 1968
- Operator
- BOM
- Coordinates
- 42.554°S, 146.760°E
- Last updated
- October 25, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 25 Oct 2026 | 42.1% | 25.14 |
| 24 Oct 2026 | 41.3% | 24.64 |
| 23 Oct 2026 | 41.7% | 24.87 |
| 22 Oct 2026 | 42.9% | 25.61 |
| 21 Oct 2026 | 42.0% | 25.05 |
| 20 Oct 2026 | 43.1% | 25.7 |
| 19 Oct 2026 | 45.0% | 26.87 |
| 18 Oct 2026 | 46.2% | 27.55 |
| 17 Oct 2026 | 44.8% | 26.72 |
| 16 Oct 2026 | 42.8% | 25.55 |
| 15 Oct 2026 | 44.0% | 26.27 |
| 14 Oct 2026 | 44.8% | 26.72 |