Reservoir · Tasmania · Australia · BOM Water Data Online
Lake Plimsoll
16.8% full
Capacity
36.2 hm³
Volume stored
6 hm³
Coordinates
41.888°S, 145.615°E
Last updated
2026-10-11
Current fill
16.8%vs 7 days ago
+0.6%gaining
vs 1 year ago
-47.4%year-over-year
7-day trend
→stable
Drought context
Storage vs October average
41%of normal
16.8% full on 2026-10-11, against an average of 40.8% for October across 4 years of readings (-24.0 points).
Rain over the last three months · 21 September 2026
Near normal
In the three months to 21 September 2026 the area around Lake Plimsoll had rain close to normal for the season. Rainfall compared with the long-run record for the same season at this point (Copernicus Global Drought Observatory, SPI-3 index −0.53). 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: 2026-10-11.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -41.888, 145.615 · Open in Google Maps
About Lake Plimsoll
As of October 11, 2026, Lake Plimsoll is filled to 16.8% of its total capacity, holding roughly 6 hm³ of water out of a maximum 36 hm³. At this level the reservoir is critically low. Of that total, about 32 hm³ is usable (live) storage.
Over the most recent week on record the fill level has held broadly steady (+0.6 pts), and it is 47.4 points below its level on the same date a year earlier.
Across the readings we hold for Lake Plimsoll — 1093 data points between October 15, 2023 and October 11, 2026 — the level has ranged from a low of 0.4% (October 28, 2024) to a high of 66.7% (September 2, 2024). On average the reservoir is fullest around September and at its lowest around June.
It is operated by BOM primarily for water supply.
Key facts
- Current fill level
- 16.8%
- Water stored
- 6 hm³
- Total capacity
- 36 hm³
- Usable capacity
- 32 hm³
- 7-day change
- ▲ 0.6 pts
- Year-on-year
- ▼ 47.4 pts
- Primary use
- Water supply
- Operator
- BOM
- Coordinates
- 41.888°S, 145.615°E
- Last updated
- October 11, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 11 Oct 2026 | 16.8% | 6 |
| 10 Oct 2026 | 16.5% | 6 |
| 9 Oct 2026 | 16.0% | 6 |
| 8 Oct 2026 | 15.3% | 6 |
| 7 Oct 2026 | 14.0% | 5 |
| 6 Oct 2026 | 11.7% | 4 |
| 5 Oct 2026 | 10.2% | 4 |
| 4 Oct 2026 | 16.2% | 6 |
| 3 Oct 2026 | 21.2% | 8 |
| 2 Oct 2026 | 20.8% | 8 |
| 1 Oct 2026 | 24.5% | 9 |
| 30 Sep 2026 | 27.4% | 10 |