Reservoir · Tasmania · Australia · BOM Water Data Online
Lake Pedder
4.8% full
Capacity
2,937.9 hm³
Volume stored
142 hm³
Coordinates
42.954°S, 146.173°E
Last updated
2026-09-07
Current fill
4.8%vs 7 days ago
+0.8%gaining
vs 1 year ago
+1.4%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: 2026-09-07.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -42.954, 146.173 · Open in Google Maps
About Lake Pedder
As of September 7, 2026, Lake Pedder is filled to 4.8% of its total capacity, holding roughly 142 hm³ of water out of a maximum 2,938 hm³. At this level the reservoir is critically low. Of that total, about 2,924 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (+0.8 pts), and it is 1.4 points above its level on the same date a year earlier.
Across the readings we hold for Lake Pedder — 1093 data points between September 11, 2023 and September 7, 2026 — the level has ranged from a low of 0.4% (June 24, 2025) to a high of 10.7% (September 24, 2024). On average the reservoir is fullest around October and at its lowest around June.
It is operated by BOM primarily for water supply.
Key facts
- Current fill level
- 4.8%
- Water stored
- 142 hm³
- Total capacity
- 2,938 hm³
- Usable capacity
- 2,924 hm³
- 7-day change
- ▲ 0.8 pts
- Year-on-year
- ▲ 1.4 pts
- Primary use
- Water supply
- Operator
- BOM
- Coordinates
- 42.954°S, 146.173°E
- Last updated
- September 7, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 7 Sep 2026 | 4.8% | 142 |
| 6 Sep 2026 | 4.8% | 141 |
| 5 Sep 2026 | 4.7% | 137 |
| 4 Sep 2026 | 4.4% | 128 |
| 3 Sep 2026 | 4.0% | 118 |
| 2 Sep 2026 | 3.9% | 116 |
| 1 Sep 2026 | 3.8% | 113 |
| 31 Aug 2026 | 4.0% | 118 |
| 30 Aug 2026 | 4.0% | 119 |
| 29 Aug 2026 | 4.1% | 120 |
| 28 Aug 2026 | 4.2% | 123 |
| 27 Aug 2026 | 4.2% | 124 |