Reservoir · Tasmania · Australia · BOM Water Data Online
Lake Repulse
29.2% full
Capacity
15.9 hm³
Volume stored
5 hm³
River
Derwent River
Year completed
1968
Coordinates
42.496°S, 146.624°E
Last updated
2026-07-28
Current fill
29.2%vs 7 days ago
+1.6%gaining
vs 1 year ago
+4.7%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: 2026-07-28.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
Satellite imagery: Esri, Maxar, Earthstar Geographics. Map: Esri, HERE, Garmin, © OpenStreetMap contributors. -42.496, 146.624 · Open in Google Maps
About Lake Repulse
As of July 28, 2026, Lake Repulse is filled to 29.2% of its total capacity, holding roughly 5 hm³ of water out of a maximum 16 hm³. At this level the reservoir is low. Of that total, about 11 hm³ is usable (live) storage.
Over the most recent week on record the fill level has risen by 1.6 percentage points, and it is 4.7 points above its level on the same date a year earlier.
Across the readings we hold for Lake Repulse — 1095 data points between July 30, 2023 and July 28, 2026 — the level has ranged from a low of 6.9% (May 6, 2026) to a high of 50.0% (September 2, 2024). On average the reservoir is fullest around September and at its lowest around January.
The dam at Lake Repulse was completed in 1968. It is operated by BOM primarily for water supply. It lies within the Derwent River Basin basin at 42.496°S, 146.624°E.
Key facts
- Current fill level
- 29.2%
- Water stored
- 5 hm³
- Total capacity
- 16 hm³
- Usable capacity
- 11 hm³
- 7-day change
- ▲ 1.6 pts
- Year-on-year
- ▲ 4.7 pts
- Primary use
- Water supply
- River
- Derwent River
- River basin
- Derwent River Basin
- Year completed
- 1968
- Operator
- BOM
- Coordinates
- 42.496°S, 146.624°E
- Last updated
- July 28, 2026
Recent readings
| Date | Fill level | Volume (hm³) |
|---|---|---|
| 28 Jul 2026 | 29.2% | 5 |
| 27 Jul 2026 | 27.6% | 4 |
| 26 Jul 2026 | 26.8% | 4 |
| 25 Jul 2026 | 25.1% | 4 |
| 24 Jul 2026 | 23.7% | 4 |
| 23 Jul 2026 | 23.6% | 4 |
| 22 Jul 2026 | 25.2% | 4 |
| 21 Jul 2026 | 24.0% | 4 |
| 20 Jul 2026 | 24.1% | 4 |
| 19 Jul 2026 | 23.1% | 4 |
| 18 Jul 2026 | 23.4% | 4 |
| 17 Jul 2026 | 23.9% | 4 |
Frequently asked questions
What is the current water level of Lake Repulse?
As of July 28, 2026, Lake Repulse is at 29.2% of its capacity, holding approximately 5 hm³ of water, according to BOM data.
Is Lake Repulse reservoir full?
No. As of July 28, 2026, Lake Repulse is low at 29.2% of its capacity, so it is not full.
Is the water level at Lake Repulse rising or falling?
The level at Lake Repulse is rising — it gained 1.6 percentage points over the latest week on record.
How much water can Lake Repulse hold?
Lake Repulse has a total capacity of 16 hm³, of which about 11 hm³ is usable storage.
Where is Lake Repulse reservoir located?
Lake Repulse is located in Tasmania, Australia, within the Derwent River Basin basin (coordinates 42.496°S, 146.624°E).
When was Lake Repulse dam built?
The dam at Lake Repulse was completed in 1968.
What is Lake Repulse used for?
Lake Repulse is used primarily for water supply, and is managed by BOM.